diff --git a/docs/content/doc/development/api-usage.en-us.md b/docs/content/doc/development/api-usage.en-us.md
index fe334827c3..4f5304ac0e 100644
--- a/docs/content/doc/development/api-usage.en-us.md
+++ b/docs/content/doc/development/api-usage.en-us.md
@@ -119,7 +119,7 @@ curl -v "http://localhost/api/v1/repos/search?limit=1"
 < x-total-count: 5252
 ```
 
-## API Guide:
+## API Guide
 
 API Reference guide is auto-generated by swagger and available on:
 `https://gitea.your.host/api/swagger`