diff --git a/v1_0_cpp_overview.md b/v1_0_cpp_overview.md
index 29b3c47..13fd1ed 100644
--- a/v1_0_cpp_overview.md
+++ b/v1_0_cpp_overview.md
@@ -1,4 +1,6 @@
-# msgpack-c This is a documentation of msgpack-c
+# msgpack-c
+
+This is a documentation of msgpack-c
 
 This documentation focuses on C++11 and C++03.
 
diff --git a/v1_1_cpp_overview.md b/v1_1_cpp_overview.md
index b572cc7..f16b5ef 100644
--- a/v1_1_cpp_overview.md
+++ b/v1_1_cpp_overview.md
@@ -1,4 +1,6 @@
-# msgpack-c This is a documentation of msgpack-c
+# msgpack-c
+
+This is a documentation of msgpack-c
 
 This documentation focuses on C++11 and C++03.
 
@@ -14,7 +16,7 @@ Add msgpack-c/include as an include path for your project.
 g++ -Ipath_to_msgpack-c/include -DMSGPACK_DISABLE_LEGACY_NIL your_program.cpp
 ```
 
-See [MSGPACK_DISABKE_LEGACY_NIL](v1_1_cpp_configure#msgpack_disable_legacy_nil-since-140)
+See [MSGPACK_DISABLE_LEGACY_NIL](v1_1_cpp_configure#msgpack_disable_legacy_nil-since-140)
 
 ## C++11 support
 
@@ -25,7 +27,7 @@ C++11 functionalities.
 g++ -std=c++11 -Ipath_to_msgpack-c/include -DMSGPACK_DISABLE_LEGACY_NIL your_program.cpp
 ```
 
-See [MSGPACK_DISABKE_LEGACY_NIL](v1_1_cpp_configure#msgpack_disable_legacy_nil-since-140)
+See [MSGPACK_DISABLE_LEGACY_NIL](v1_1_cpp_configure#msgpack_disable_legacy_nil-since-140)
 
 ## Test and Install