diff --git a/docs/404.md b/docs/404.md
index 58fb71b9..db767434 100644
--- a/docs/404.md
+++ b/docs/404.md
@@ -1,3 +1,5 @@
+# Page 404  
+---
 ## psycopg2  
 > Error: pg_config executable not found.  
 ```bash 
diff --git a/docs/index.md b/docs/index.md
index 52ab2c9a..897be116 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -20,7 +20,7 @@
 
 ### *Data Link*
 #### [Book Author](Data/BookAuthor.json)
-#### [Book Publisher](Data/Bookpublish.json)
+#### [Book Publisher](Data/BookPublish.json)
 #### [Book](Data/Book.json)
 
 ### *Detail*