diff --git a/docs/developer-guide/ksqldb-reference/scalar-functions.md b/docs/developer-guide/ksqldb-reference/scalar-functions.md
index 3b64b9820977..ee265d1d0a3a 100644
--- a/docs/developer-guide/ksqldb-reference/scalar-functions.md
+++ b/docs/developer-guide/ksqldb-reference/scalar-functions.md
@@ -495,6 +495,14 @@ Returns `false` if the first parameter does not contain a JSON array.
 
 Since: 0.25.0
 
+```sql
+is_json_string(json_string) -> Boolean
+```
+
+Given a string, returns `true` if it can be parsed as a valid JSON value, `false` otherwise.
+
+Examples:
+
 ```sql
 is_json_string("[1, 2, 3]") => true
 is_json_string("{}") => true
@@ -506,8 +514,6 @@ is_json_string("abc") => false
 is_json_string(NULL) => false
 ```
 
-Given a string, returns `true` if it can be parsed as a valid JSON value, `false` otherwise.
-
 ### `MAP`
 
 Since: 0.7.0