diff --git a/docs/en/jpql-with-kotlin-jdsl/expressions.md b/docs/en/jpql-with-kotlin-jdsl/expressions.md
index c9bc26219..3d7bf459c 100644
--- a/docs/en/jpql-with-kotlin-jdsl/expressions.md
+++ b/docs/en/jpql-with-kotlin-jdsl/expressions.md
@@ -193,8 +193,8 @@ Kotlin JDSL provides functions to support built-in functions in JPA.
 
 | Function  | DSL function |
 |-----------|--------------|
-| CONCAT    | not yet      |
-| SUBSTRING | not yet      |
+| CONCAT    | support      |
+| SUBSTRING | support      |
 | TRIM      | support      |
 | LOWER     | support      |
 | UPPER     | support      |
diff --git a/docs/ko/jpql-with-kotlin-jdsl/expressions.md b/docs/ko/jpql-with-kotlin-jdsl/expressions.md
index 5cf9a99d7..b927d3206 100644
--- a/docs/ko/jpql-with-kotlin-jdsl/expressions.md
+++ b/docs/ko/jpql-with-kotlin-jdsl/expressions.md
@@ -192,8 +192,8 @@ Kotlin JDSL은 JPA에서 제공하는 여러 함수들을 지원하기 위함 
 
 | Function  | DSL function |
 |-----------|--------------|
-| CONCAT    | not yet      |
-| SUBSTRING | not yet      |
+| CONCAT    | support      |
+| SUBSTRING | support      |
 | TRIM      | support      |
 | LOWER     | support      |
 | UPPER     | support      |