diff --git a/docs-2.0/3.ngql-guide/6.functions-and-expressions/4.schema.md b/docs-2.0/3.ngql-guide/6.functions-and-expressions/4.schema.md
index 4fe157c1b79..2cc4cd846af 100644
--- a/docs-2.0/3.ngql-guide/6.functions-and-expressions/4.schema.md
+++ b/docs-2.0/3.ngql-guide/6.functions-and-expressions/4.schema.md
@@ -165,7 +165,7 @@ Syntax: `vertex`
 Example:
 
 ```ngql
-nebula> LOOKUP ON player WHERE player.age  > 45 YIELD vertex AS v;
+nebula> LOOKUP ON player WHERE player.age > 45 YIELD vertex AS v;
 +----------------------------------------------------------+
 | v                                                        |
 +----------------------------------------------------------+