diff --git a/README.md b/README.md
index 9be32f09..00177f1b 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ ESDoc is a documentation generator for JavaScript(ES6).
 - Generates detailed documentation.
 - Measures documentation coverage.
 - Integrate test codes into documentation.
+- Integrate manual into documentation.
 - [ESDoc Hosting Service](https://doc.esdoc.org)
 
 # Demo
diff --git a/doc/src/documents/index.html.md b/doc/src/documents/index.html.md
index 8c95dea8..9c1f457c 100644
--- a/doc/src/documents/index.html.md
+++ b/doc/src/documents/index.html.md
@@ -11,6 +11,7 @@ ESDoc is a documentation generator for JavaScript(ES6).
 - Generates detailed documentation.
 - Measures documentation coverage.
 - Integrate test codes into documentation.
+- Integrate manual into documentation.
 - [ESDoc Hosting Service](https://doc.esdoc.org)
 
 # Demo