diff --git a/docs/source/conf.py b/docs/source/conf.py
index 5b9cf0a..9d6800c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -71,9 +71,9 @@ copyright = u'2015, Clement Rouault'
 # built documents.
 #
 # The short X.Y version.
-version = '0.4'
+version = '0.5'
 # The full version, including alpha/beta/rc tags.
-release = '0.4'
+release = '0.5'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/source/security.rst b/docs/source/security.rst
index 90deef0..ae043a8 100644
--- a/docs/source/security.rst
+++ b/docs/source/security.rst
@@ -40,7 +40,7 @@ Acl
 """
 
 .. autoclass:: Acl
-    :special-members: __len__, __iter__
+    :special-members: __len__, __iter__, __getitem__
 
 
 .. _security_ace:
diff --git a/docs/source/windef_generated.rst b/docs/source/windef_generated.rst
index 980469c..8853e32 100644
--- a/docs/source/windef_generated.rst
+++ b/docs/source/windef_generated.rst
@@ -962,56 +962,6 @@ Windef
 .. autodata:: NMPWAIT_WAIT_FOREVER
 .. autodata:: NMPWAIT_NOWAIT
 .. autodata:: NMPWAIT_USE_DEFAULT_WAIT
-.. autodata:: EVENTLOG_SUCCESS
-.. autodata:: EVENTLOG_ERROR_TYPE
-.. autodata:: EVENTLOG_WARNING_TYPE
-.. autodata:: EVENTLOG_INFORMATION_TYPE
-.. autodata:: EVENTLOG_AUDIT_SUCCESS
-.. autodata:: EVENTLOG_AUDIT_FAILURE
-.. autodata:: EVENTLOG_SEQUENTIAL_READ
-.. autodata:: EVENTLOG_SEEK_READ
-.. autodata:: EVENTLOG_FORWARDS_READ
-.. autodata:: EVENTLOG_BACKWARDS_READ
-.. autodata:: EVT_VARIANT_TYPE_MASK
-.. autodata:: EVT_VARIANT_TYPE_ARRAY
-.. autodata:: ERROR_EVT_INVALID_CHANNEL_PATH
-.. autodata:: ERROR_EVT_INVALID_QUERY
-.. autodata:: ERROR_EVT_PUBLISHER_METADATA_NOT_FOUND
-.. autodata:: ERROR_EVT_EVENT_TEMPLATE_NOT_FOUND
-.. autodata:: ERROR_EVT_INVALID_PUBLISHER_NAME
-.. autodata:: ERROR_EVT_INVALID_EVENT_DATA
-.. autodata:: ERROR_EVT_CHANNEL_NOT_FOUND
-.. autodata:: ERROR_EVT_MALFORMED_XML_TEXT
-.. autodata:: ERROR_EVT_SUBSCRIPTION_TO_DIRECT_CHANNEL
-.. autodata:: ERROR_EVT_CONFIGURATION_ERROR
-.. autodata:: ERROR_EVT_QUERY_RESULT_STALE
-.. autodata:: ERROR_EVT_QUERY_RESULT_INVALID_POSITION
-.. autodata:: ERROR_EVT_NON_VALIDATING_MSXML
-.. autodata:: ERROR_EVT_FILTER_ALREADYSCOPED
-.. autodata:: ERROR_EVT_FILTER_NOTELTSET
-.. autodata:: ERROR_EVT_FILTER_INVARG
-.. autodata:: ERROR_EVT_FILTER_INVTEST
-.. autodata:: ERROR_EVT_FILTER_INVTYPE
-.. autodata:: ERROR_EVT_FILTER_PARSEERR
-.. autodata:: ERROR_EVT_FILTER_UNSUPPORTEDOP
-.. autodata:: ERROR_EVT_FILTER_UNEXPECTEDTOKEN
-.. autodata:: ERROR_EVT_INVALID_OPERATION_OVER_ENABLED_DIRECT_CHANNEL
-.. autodata:: ERROR_EVT_INVALID_CHANNEL_PROPERTY_VALUE
-.. autodata:: ERROR_EVT_INVALID_PUBLISHER_PROPERTY_VALUE
-.. autodata:: ERROR_EVT_CHANNEL_CANNOT_ACTIVATE
-.. autodata:: ERROR_EVT_FILTER_TOO_COMPLEX
-.. autodata:: ERROR_EVT_MESSAGE_NOT_FOUND
-.. autodata:: ERROR_EVT_MESSAGE_ID_NOT_FOUND
-.. autodata:: ERROR_EVT_UNRESOLVED_VALUE_INSERT
-.. autodata:: ERROR_EVT_UNRESOLVED_PARAMETER_INSERT
-.. autodata:: ERROR_EVT_MAX_INSERTS_REACHED
-.. autodata:: ERROR_EVT_EVENT_DEFINITION_NOT_FOUND
-.. autodata:: ERROR_EVT_MESSAGE_LOCALE_NOT_FOUND
-.. autodata:: ERROR_EVT_VERSION_TOO_OLD
-.. autodata:: ERROR_EVT_VERSION_TOO_NEW
-.. autodata:: ERROR_EVT_CANNOT_OPEN_CHANNEL_OF_QUERY
-.. autodata:: ERROR_EVT_PUBLISHER_DISABLED
-.. autodata:: ERROR_EVT_FILTER_OUT_OF_RANGE
 .. autodata:: IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
 .. autodata:: IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
 .. autodata:: IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
@@ -1049,99 +999,6 @@ Windef
 .. autodata:: IMAGE_REL_BASED_MACHINE_SPECIFIC_8
 .. autodata:: IMAGE_REL_BASED_MACHINE_SPECIFIC_9
 .. autodata:: IMAGE_REL_BASED_DIR64
-.. autodata:: ACCESS_MIN_MS_ACE_TYPE
-.. autodata:: ACCESS_ALLOWED_ACE_TYPE
-.. autodata:: ACCESS_DENIED_ACE_TYPE
-.. autodata:: SYSTEM_AUDIT_ACE_TYPE
-.. autodata:: SYSTEM_ALARM_ACE_TYPE
-.. autodata:: ACCESS_MAX_MS_V2_ACE_TYPE
-.. autodata:: ACCESS_ALLOWED_COMPOUND_ACE_TYPE
-.. autodata:: ACCESS_MAX_MS_V3_ACE_TYPE
-.. autodata:: ACCESS_MIN_MS_OBJECT_ACE_TYPE
-.. autodata:: ACCESS_ALLOWED_OBJECT_ACE_TYPE
-.. autodata:: ACCESS_DENIED_OBJECT_ACE_TYPE
-.. autodata:: SYSTEM_AUDIT_OBJECT_ACE_TYPE
-.. autodata:: SYSTEM_ALARM_OBJECT_ACE_TYPE
-.. autodata:: ACCESS_MAX_MS_OBJECT_ACE_TYPE
-.. autodata:: ACCESS_MAX_MS_V4_ACE_TYPE
-.. autodata:: ACCESS_MAX_MS_ACE_TYPE
-.. autodata:: ACCESS_ALLOWED_CALLBACK_ACE_TYPE
-.. autodata:: ACCESS_DENIED_CALLBACK_ACE_TYPE
-.. autodata:: ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE
-.. autodata:: ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE
-.. autodata:: SYSTEM_AUDIT_CALLBACK_ACE_TYPE
-.. autodata:: SYSTEM_ALARM_CALLBACK_ACE_TYPE
-.. autodata:: SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE
-.. autodata:: SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE
-.. autodata:: SYSTEM_MANDATORY_LABEL_ACE_TYPE
-.. autodata:: ACCESS_MAX_MS_V5_ACE_TYPE
-.. autodata:: SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE
-.. autodata:: SYSTEM_SCOPED_POLICY_ID_ACE_TYPE
-.. autodata:: SYSTEM_PROCESS_TRUST_LABEL_ACE_TYPE
-.. autodata:: ACCESS_MAX_MS_V5_ACE_TYPE
-.. autodata:: SEC_WINNT_AUTH_IDENTITY_ANSI
-.. autodata:: SEC_WINNT_AUTH_IDENTITY_UNICODE
-.. autodata:: SE_OWNER_DEFAULTED
-.. autodata:: SE_GROUP_DEFAULTED
-.. autodata:: SE_DACL_PRESENT
-.. autodata:: SE_DACL_DEFAULTED
-.. autodata:: SE_SACL_PRESENT
-.. autodata:: SE_SACL_DEFAULTED
-.. autodata:: SE_DACL_AUTO_INHERIT_REQ
-.. autodata:: SE_SACL_AUTO_INHERIT_REQ
-.. autodata:: SE_DACL_AUTO_INHERITED
-.. autodata:: SE_SACL_AUTO_INHERITED
-.. autodata:: SE_DACL_PROTECTED
-.. autodata:: SE_SACL_PROTECTED
-.. autodata:: SE_RM_CONTROL_VALID
-.. autodata:: SE_SELF_RELATIVE
-.. autodata:: SDDL_REVISION_1
-.. autodata:: ACE_OBJECT_TYPE_PRESENT
-.. autodata:: ACE_INHERITED_OBJECT_TYPE_PRESENT
-.. autodata:: OBJECT_INHERIT_ACE
-.. autodata:: CONTAINER_INHERIT_ACE
-.. autodata:: NO_PROPAGATE_INHERIT_ACE
-.. autodata:: INHERIT_ONLY_ACE
-.. autodata:: INHERITED_ACE
-.. autodata:: VALID_INHERIT_FLAGS
-.. autodata:: SUCCESSFUL_ACCESS_ACE_FLAG
-.. autodata:: FAILED_ACCESS_ACE_FLAG
-.. autodata:: SYSTEM_MANDATORY_LABEL_NO_WRITE_UP
-.. autodata:: SYSTEM_MANDATORY_LABEL_NO_READ_UP
-.. autodata:: SYSTEM_MANDATORY_LABEL_NO_EXECUTE_UP
-.. autodata:: SYSTEM_PROCESS_TRUST_LABEL_VALID_MASK
-.. autodata:: SYSTEM_PROCESS_TRUST_NOCONSTRAINT_MASK
-.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_INVALID
-.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_INT64
-.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_UINT64
-.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_STRING
-.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_FQBN
-.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_SID
-.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_BOOLEAN
-.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_OCTET_STRING
-.. autodata:: SE_GROUP_MANDATORY
-.. autodata:: SE_GROUP_ENABLED_BY_DEFAULT
-.. autodata:: SE_GROUP_ENABLED
-.. autodata:: SE_GROUP_OWNER
-.. autodata:: SE_GROUP_USE_FOR_DENY_ONLY
-.. autodata:: SE_GROUP_INTEGRITY
-.. autodata:: SE_GROUP_INTEGRITY_ENABLED
-.. autodata:: SE_GROUP_LOGON_ID
-.. autodata:: SE_GROUP_RESOURCE
-.. autodata:: SE_GROUP_VALID_ATTRIBUTES
-.. autodata:: OWNER_SECURITY_INFORMATION
-.. autodata:: GROUP_SECURITY_INFORMATION
-.. autodata:: DACL_SECURITY_INFORMATION
-.. autodata:: SACL_SECURITY_INFORMATION
-.. autodata:: LABEL_SECURITY_INFORMATION
-.. autodata:: ATTRIBUTE_SECURITY_INFORMATION
-.. autodata:: SCOPE_SECURITY_INFORMATION
-.. autodata:: PROCESS_TRUST_LABEL_SECURITY_INFORMATION
-.. autodata:: BACKUP_SECURITY_INFORMATION
-.. autodata:: PROTECTED_DACL_SECURITY_INFORMATION
-.. autodata:: PROTECTED_SACL_SECURITY_INFORMATION
-.. autodata:: UNPROTECTED_DACL_SECURITY_INFORMATION
-.. autodata:: UNPROTECTED_SACL_SECURITY_INFORMATION
 .. autodata:: CERT_QUERY_OBJECT_FILE
 .. autodata:: CERT_QUERY_OBJECT_BLOB
 .. autodata:: CERT_QUERY_CONTENT_CERT
@@ -1743,6 +1600,149 @@ Windef
 .. autodata:: CMSG_CTRL_VERIFY_SIGNATURE_EX
 .. autodata:: CMSG_CTRL_ADD_CMS_SIGNER_INFO
 .. autodata:: CMSG_CTRL_ENABLE_STRONG_SIGNATURE
+.. autodata:: ACCESS_MIN_MS_ACE_TYPE
+.. autodata:: ACCESS_ALLOWED_ACE_TYPE
+.. autodata:: ACCESS_DENIED_ACE_TYPE
+.. autodata:: SYSTEM_AUDIT_ACE_TYPE
+.. autodata:: SYSTEM_ALARM_ACE_TYPE
+.. autodata:: ACCESS_MAX_MS_V2_ACE_TYPE
+.. autodata:: ACCESS_ALLOWED_COMPOUND_ACE_TYPE
+.. autodata:: ACCESS_MAX_MS_V3_ACE_TYPE
+.. autodata:: ACCESS_MIN_MS_OBJECT_ACE_TYPE
+.. autodata:: ACCESS_ALLOWED_OBJECT_ACE_TYPE
+.. autodata:: ACCESS_DENIED_OBJECT_ACE_TYPE
+.. autodata:: SYSTEM_AUDIT_OBJECT_ACE_TYPE
+.. autodata:: SYSTEM_ALARM_OBJECT_ACE_TYPE
+.. autodata:: ACCESS_MAX_MS_OBJECT_ACE_TYPE
+.. autodata:: ACCESS_MAX_MS_V4_ACE_TYPE
+.. autodata:: ACCESS_MAX_MS_ACE_TYPE
+.. autodata:: ACCESS_ALLOWED_CALLBACK_ACE_TYPE
+.. autodata:: ACCESS_DENIED_CALLBACK_ACE_TYPE
+.. autodata:: ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE
+.. autodata:: ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE
+.. autodata:: SYSTEM_AUDIT_CALLBACK_ACE_TYPE
+.. autodata:: SYSTEM_ALARM_CALLBACK_ACE_TYPE
+.. autodata:: SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE
+.. autodata:: SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE
+.. autodata:: SYSTEM_MANDATORY_LABEL_ACE_TYPE
+.. autodata:: ACCESS_MAX_MS_V5_ACE_TYPE
+.. autodata:: SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE
+.. autodata:: SYSTEM_SCOPED_POLICY_ID_ACE_TYPE
+.. autodata:: SYSTEM_PROCESS_TRUST_LABEL_ACE_TYPE
+.. autodata:: ACCESS_MAX_MS_V5_ACE_TYPE
+.. autodata:: SEC_WINNT_AUTH_IDENTITY_ANSI
+.. autodata:: SEC_WINNT_AUTH_IDENTITY_UNICODE
+.. autodata:: SE_OWNER_DEFAULTED
+.. autodata:: SE_GROUP_DEFAULTED
+.. autodata:: SE_DACL_PRESENT
+.. autodata:: SE_DACL_DEFAULTED
+.. autodata:: SE_SACL_PRESENT
+.. autodata:: SE_SACL_DEFAULTED
+.. autodata:: SE_DACL_AUTO_INHERIT_REQ
+.. autodata:: SE_SACL_AUTO_INHERIT_REQ
+.. autodata:: SE_DACL_AUTO_INHERITED
+.. autodata:: SE_SACL_AUTO_INHERITED
+.. autodata:: SE_DACL_PROTECTED
+.. autodata:: SE_SACL_PROTECTED
+.. autodata:: SE_RM_CONTROL_VALID
+.. autodata:: SE_SELF_RELATIVE
+.. autodata:: SDDL_REVISION_1
+.. autodata:: ACE_OBJECT_TYPE_PRESENT
+.. autodata:: ACE_INHERITED_OBJECT_TYPE_PRESENT
+.. autodata:: OBJECT_INHERIT_ACE
+.. autodata:: CONTAINER_INHERIT_ACE
+.. autodata:: NO_PROPAGATE_INHERIT_ACE
+.. autodata:: INHERIT_ONLY_ACE
+.. autodata:: INHERITED_ACE
+.. autodata:: VALID_INHERIT_FLAGS
+.. autodata:: SUCCESSFUL_ACCESS_ACE_FLAG
+.. autodata:: FAILED_ACCESS_ACE_FLAG
+.. autodata:: SYSTEM_MANDATORY_LABEL_NO_WRITE_UP
+.. autodata:: SYSTEM_MANDATORY_LABEL_NO_READ_UP
+.. autodata:: SYSTEM_MANDATORY_LABEL_NO_EXECUTE_UP
+.. autodata:: SYSTEM_PROCESS_TRUST_LABEL_VALID_MASK
+.. autodata:: SYSTEM_PROCESS_TRUST_NOCONSTRAINT_MASK
+.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_INVALID
+.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_INT64
+.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_UINT64
+.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_STRING
+.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_FQBN
+.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_SID
+.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_BOOLEAN
+.. autodata:: CLAIM_SECURITY_ATTRIBUTE_TYPE_OCTET_STRING
+.. autodata:: SE_GROUP_MANDATORY
+.. autodata:: SE_GROUP_ENABLED_BY_DEFAULT
+.. autodata:: SE_GROUP_ENABLED
+.. autodata:: SE_GROUP_OWNER
+.. autodata:: SE_GROUP_USE_FOR_DENY_ONLY
+.. autodata:: SE_GROUP_INTEGRITY
+.. autodata:: SE_GROUP_INTEGRITY_ENABLED
+.. autodata:: SE_GROUP_LOGON_ID
+.. autodata:: SE_GROUP_RESOURCE
+.. autodata:: SE_GROUP_VALID_ATTRIBUTES
+.. autodata:: OWNER_SECURITY_INFORMATION
+.. autodata:: GROUP_SECURITY_INFORMATION
+.. autodata:: DACL_SECURITY_INFORMATION
+.. autodata:: SACL_SECURITY_INFORMATION
+.. autodata:: LABEL_SECURITY_INFORMATION
+.. autodata:: ATTRIBUTE_SECURITY_INFORMATION
+.. autodata:: SCOPE_SECURITY_INFORMATION
+.. autodata:: PROCESS_TRUST_LABEL_SECURITY_INFORMATION
+.. autodata:: BACKUP_SECURITY_INFORMATION
+.. autodata:: PROTECTED_DACL_SECURITY_INFORMATION
+.. autodata:: PROTECTED_SACL_SECURITY_INFORMATION
+.. autodata:: UNPROTECTED_DACL_SECURITY_INFORMATION
+.. autodata:: UNPROTECTED_SACL_SECURITY_INFORMATION
+.. autodata:: EVENTLOG_SUCCESS
+.. autodata:: EVENTLOG_ERROR_TYPE
+.. autodata:: EVENTLOG_WARNING_TYPE
+.. autodata:: EVENTLOG_INFORMATION_TYPE
+.. autodata:: EVENTLOG_AUDIT_SUCCESS
+.. autodata:: EVENTLOG_AUDIT_FAILURE
+.. autodata:: EVENTLOG_SEQUENTIAL_READ
+.. autodata:: EVENTLOG_SEEK_READ
+.. autodata:: EVENTLOG_FORWARDS_READ
+.. autodata:: EVENTLOG_BACKWARDS_READ
+.. autodata:: EVT_VARIANT_TYPE_MASK
+.. autodata:: EVT_VARIANT_TYPE_ARRAY
+.. autodata:: ERROR_EVT_INVALID_CHANNEL_PATH
+.. autodata:: ERROR_EVT_INVALID_QUERY
+.. autodata:: ERROR_EVT_PUBLISHER_METADATA_NOT_FOUND
+.. autodata:: ERROR_EVT_EVENT_TEMPLATE_NOT_FOUND
+.. autodata:: ERROR_EVT_INVALID_PUBLISHER_NAME
+.. autodata:: ERROR_EVT_INVALID_EVENT_DATA
+.. autodata:: ERROR_EVT_CHANNEL_NOT_FOUND
+.. autodata:: ERROR_EVT_MALFORMED_XML_TEXT
+.. autodata:: ERROR_EVT_SUBSCRIPTION_TO_DIRECT_CHANNEL
+.. autodata:: ERROR_EVT_CONFIGURATION_ERROR
+.. autodata:: ERROR_EVT_QUERY_RESULT_STALE
+.. autodata:: ERROR_EVT_QUERY_RESULT_INVALID_POSITION
+.. autodata:: ERROR_EVT_NON_VALIDATING_MSXML
+.. autodata:: ERROR_EVT_FILTER_ALREADYSCOPED
+.. autodata:: ERROR_EVT_FILTER_NOTELTSET
+.. autodata:: ERROR_EVT_FILTER_INVARG
+.. autodata:: ERROR_EVT_FILTER_INVTEST
+.. autodata:: ERROR_EVT_FILTER_INVTYPE
+.. autodata:: ERROR_EVT_FILTER_PARSEERR
+.. autodata:: ERROR_EVT_FILTER_UNSUPPORTEDOP
+.. autodata:: ERROR_EVT_FILTER_UNEXPECTEDTOKEN
+.. autodata:: ERROR_EVT_INVALID_OPERATION_OVER_ENABLED_DIRECT_CHANNEL
+.. autodata:: ERROR_EVT_INVALID_CHANNEL_PROPERTY_VALUE
+.. autodata:: ERROR_EVT_INVALID_PUBLISHER_PROPERTY_VALUE
+.. autodata:: ERROR_EVT_CHANNEL_CANNOT_ACTIVATE
+.. autodata:: ERROR_EVT_FILTER_TOO_COMPLEX
+.. autodata:: ERROR_EVT_MESSAGE_NOT_FOUND
+.. autodata:: ERROR_EVT_MESSAGE_ID_NOT_FOUND
+.. autodata:: ERROR_EVT_UNRESOLVED_VALUE_INSERT
+.. autodata:: ERROR_EVT_UNRESOLVED_PARAMETER_INSERT
+.. autodata:: ERROR_EVT_MAX_INSERTS_REACHED
+.. autodata:: ERROR_EVT_EVENT_DEFINITION_NOT_FOUND
+.. autodata:: ERROR_EVT_MESSAGE_LOCALE_NOT_FOUND
+.. autodata:: ERROR_EVT_VERSION_TOO_OLD
+.. autodata:: ERROR_EVT_VERSION_TOO_NEW
+.. autodata:: ERROR_EVT_CANNOT_OPEN_CHANNEL_OF_QUERY
+.. autodata:: ERROR_EVT_PUBLISHER_DISABLED
+.. autodata:: ERROR_EVT_FILTER_OUT_OF_RANGE
 .. autodata:: TOKEN_SOURCE_LENGTH
 .. autodata:: SID_HASH_SIZE
 .. autodata:: TOKEN_MANDATORY_POLICY_OFF
diff --git a/docs/source/windows.rst b/docs/source/windows.rst
index 057bc6f..c48a27a 100644
--- a/docs/source/windows.rst
+++ b/docs/source/windows.rst
@@ -15,6 +15,7 @@ The submodules that you might use by themself are:
     * :mod:`windows.generated_def`
     * :mod:`windows.native_exec`
     * :mod:`windows.winproxy`
+    * :mod:`windows.security`
     * :mod:`windows.wintrust`
     * :mod:`windows.security`
     * :mod:`windows.crypto`
diff --git a/windows/security.py b/windows/security.py
index d6a45df..e310ff5 100644
--- a/windows/security.py
+++ b/windows/security.py
@@ -535,6 +535,10 @@ class Acl(gdef.ACL):
         return self.AceCount
 
     def __getitem__(self, i):
+        """Return ``ACE`` nb ``i``
+
+        :return: :class:`Ace`
+        """
         try:
             return self.get_ace(i)
         except WindowsError as e: