diff --git a/docs/en/configuration/separated-config.md b/docs/en/configuration/separated-config.md
index 8d34aa8f5..8cea2cb60 100644
--- a/docs/en/configuration/separated-config.md
+++ b/docs/en/configuration/separated-config.md
@@ -4,7 +4,7 @@ Sometimes you want to break your configuration file into several files. It may b
 1. You want to switch nodes via modify the config file using tools like `sed`.
 2. You copy other's configuration file and you want to overwrite some parts of it.
 
-## An example
+## Example
 
 Directory Structure: