diff --git a/technology/programming/languages/SQL.md b/technology/programming/languages/SQL.md
index 2392028..0b2c8e9 100644
--- a/technology/programming/languages/SQL.md
+++ b/technology/programming/languages/SQL.md
@@ -542,7 +542,7 @@ ON table_name (column1, column2, ...);
 # Functions
 
 ## String Functions
-### # CHARACTER_LENGTH()
+### CHARACTER_LENGTH()
 The `CHARACTER_LENGTH()` function return the length of a string (in characters).
 
 ```sql