diff --git a/src/Microsoft.Management.Infrastructure.CimCmdlets/CimCommandBase.cs b/src/Microsoft.Management.Infrastructure.CimCmdlets/CimCommandBase.cs
index 24377e1831..2ea726c774 100644
--- a/src/Microsoft.Management.Infrastructure.CimCmdlets/CimCommandBase.cs
+++ b/src/Microsoft.Management.Infrastructure.CimCmdlets/CimCommandBase.cs
@@ -855,7 +855,7 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
         /// <summary>
         /// certificate parameter set
         /// </summary>
-        internal const string CertificatePrameterSet = "CertificatePrameterSet";
+        internal const string CertificateParameterSet = "CertificateParameterSet";
 
         /// <summary>
         /// CimInstance parameter alias
diff --git a/src/Microsoft.Management.Infrastructure.CimCmdlets/CimIndicationWatcher.cs b/src/Microsoft.Management.Infrastructure.CimCmdlets/CimIndicationWatcher.cs
index a765abae19..608385fe2a 100644
--- a/src/Microsoft.Management.Infrastructure.CimCmdlets/CimIndicationWatcher.cs
+++ b/src/Microsoft.Management.Infrastructure.CimCmdlets/CimIndicationWatcher.cs
@@ -220,7 +220,7 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
             this.nameSpace = theNameSpace;
             this.queryDialect = ConstValue.GetQueryDialectWithDefault(theQueryDialect);
             this.queryExpression = theQueryExpression;
-            this.opreationTimeout = theOpreationTimeout;
+            this.operationTimeout = theOpreationTimeout;
             this.computerName = theComputerName;
         }
 
@@ -299,7 +299,7 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
                             this.nameSpace,
                             this.queryDialect,
                             this.queryExpression,
-                            this.opreationTimeout);
+                            this.operationTimeout);
                     }
                     else
                     {
@@ -308,7 +308,7 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
                             this.nameSpace,
                             this.queryDialect,
                             this.queryExpression,
-                            this.opreationTimeout);
+                            this.operationTimeout);
                     }
                     status = Status.Started;
                 }
@@ -392,7 +392,7 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
         private string nameSpace;
         private string queryDialect;
         private string queryExpression;
-        private UInt32 opreationTimeout;
+        private UInt32 operationTimeout;
         #endregion
         #endregion
     }
diff --git a/src/Microsoft.Management.Infrastructure.CimCmdlets/CimSessionOperations.cs b/src/Microsoft.Management.Infrastructure.CimCmdlets/CimSessionOperations.cs
index 87d688c375..d17891c084 100644
--- a/src/Microsoft.Management.Infrastructure.CimCmdlets/CimSessionOperations.cs
+++ b/src/Microsoft.Management.Infrastructure.CimCmdlets/CimSessionOperations.cs
@@ -971,8 +971,8 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
 
             CimTestCimSessionContext testCimSessionContext = context as CimTestCimSessionContext;
             UInt32 sessionId = this.sessionState.GenerateSessionId();
-            string orginalSessioName = testCimSessionContext.CimSessionWrapper.Name;
-            string sessionName = (orginalSessioName != null) ? orginalSessioName : String.Format(CultureInfo.CurrentUICulture, @"{0}{1}", CimSessionState.CimSessionClassName, sessionId);
+            string originalSessionName = testCimSessionContext.CimSessionWrapper.Name;
+            string sessionName = (originalSessionName != null) ? originalSessionName : String.Format(CultureInfo.CurrentUICulture, @"{0}{1}", CimSessionState.CimSessionClassName, sessionId);
 
             // detach CimSession from the proxy object
             CimSession createdCimSession = testCimSessionContext.Proxy.Detach();
diff --git a/src/Microsoft.Management.Infrastructure.CimCmdlets/CimSetCimInstance.cs b/src/Microsoft.Management.Infrastructure.CimCmdlets/CimSetCimInstance.cs
index dc8d213557..46e40ef539 100644
--- a/src/Microsoft.Management.Infrastructure.CimCmdlets/CimSetCimInstance.cs
+++ b/src/Microsoft.Management.Infrastructure.CimCmdlets/CimSetCimInstance.cs
@@ -141,17 +141,17 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
                         }
 
                         Exception exception = null;
-                        CimInstance intance = cmdlet.CimInstance;
+                        CimInstance instance = cmdlet.CimInstance;
                         // For CimInstance parameter sets, Property is an optional parameter
                         if (cmdlet.Property != null)
                         {
-                            if (!SetProperty(cmdlet.Property, ref intance, ref exception))
+                            if (!SetProperty(cmdlet.Property, ref instance, ref exception))
                             {
                                 cmdlet.ThrowTerminatingError(exception, action);
                                 return;
                             }
                         }
-                        proxy.ModifyInstanceAsync(nameSpace, intance);
+                        proxy.ModifyInstanceAsync(nameSpace, instance);
                     }
                     break;
                 case CimBaseCommand.QueryComputerSet:
diff --git a/src/Microsoft.Management.Infrastructure.CimCmdlets/NewCimSessionCommand.cs b/src/Microsoft.Management.Infrastructure.CimCmdlets/NewCimSessionCommand.cs
index 21c109d234..99b7d46bd0 100644
--- a/src/Microsoft.Management.Infrastructure.CimCmdlets/NewCimSessionCommand.cs
+++ b/src/Microsoft.Management.Infrastructure.CimCmdlets/NewCimSessionCommand.cs
@@ -64,7 +64,7 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
         /// This is specificly for wsman protocol.
         /// </summary>
         [Parameter(ValueFromPipelineByPropertyName = true,
-                   ParameterSetName = CertificatePrameterSet)]
+                   ParameterSetName = CertificateParameterSet)]
         public String CertificateThumbprint
         {
             get { return certificatethumbprint; }
diff --git a/src/Microsoft.Management.Infrastructure.CimCmdlets/Utils.cs b/src/Microsoft.Management.Infrastructure.CimCmdlets/Utils.cs
index edf8f370d1..0c32a51805 100644
--- a/src/Microsoft.Management.Infrastructure.CimCmdlets/Utils.cs
+++ b/src/Microsoft.Management.Infrastructure.CimCmdlets/Utils.cs
@@ -157,11 +157,11 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
         /// <summary>
         /// Flag used to control generating message into powershell
         /// </summary>
-        private static bool genrateVerboseMessage = true;
-        internal static bool GenrateVerboseMessage
+        private static bool generateVerboseMessage = true;
+        internal static bool GenerateVerboseMessage
         {
-            get { return genrateVerboseMessage; }
-            set { genrateVerboseMessage = value; }
+            get { return generateVerboseMessage; }
+            set { generateVerboseMessage = value; }
         }
 
         /// <summary>
@@ -203,7 +203,7 @@ namespace Microsoft.Management.Infrastructure.CimCmdlets
         internal static string removeParameterSetName = @"Remove parameter set {0} name from cache";
         internal static string currentParameterSetNameCount = @"Cache have {0} parameter set names";
         internal static string currentParameterSetNameInCache = @"Cache have parameter set {0} valid {1}";
-        internal static string currentnonMadatoryParameterSetInCache = @"Cache have optional parameter set {0} valid {1}";
+        internal static string currentnonMandatoryParameterSetInCache = @"Cache have optional parameter set {0} valid {1}";
         internal static string optionalParameterSetNameCount = @"Cache have {0} optional parameter set names";
         internal static string finalParameterSetName = @"------Final parameter set name of the cmdlet is {0}";
         internal static string addToOptionalParameterSet = @"Add to optional ParameterSetNames {0}";