diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 40257fa74ab..3cedb34a489 100755
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -123,8 +123,8 @@ Name your branches with prefixes: `[type]/[area]/[description]`
 
 | Field | Explanation | Naming Rule |
 | :--- | :--- | :--- |
-| type | The PR type | feature, bug, refactoring, benchmark, security, documentation, dependencies, ci, ... |
-| area | Area of context | gateway, meta, manager-backup, manager-replication, ... |
+| type | The PR type | The type of PR can be feature, bug, refactoring, benchmark, security, documentation, dependencies, ci, test, or etc... |
+| area | Area of context | The area of PR can be gateway, meta, manager-backup, manager-replication, or etc... |
 | description | Summarized description of your branch | The description must be hyphenated. Please use [a-zA-Z0-9] and hyphen as characters, and do not use any other characters. |
 
 (\*) If you changed multiple areas, please list up each area with "-".