diff --git a/docs/en/jpql-with-kotlin-jdsl/expressions.md b/docs/en/jpql-with-kotlin-jdsl/expressions.md
index 7246176b5..62ad3b211 100644
--- a/docs/en/jpql-with-kotlin-jdsl/expressions.md
+++ b/docs/en/jpql-with-kotlin-jdsl/expressions.md
@@ -227,6 +227,7 @@ Use the following functions to build arithmetic functions:
 * CEILING (ceiling)
 * EXP (exp)
 * FLOOR (floor)
+* LN (ln)
 * ROUND (round)
 * SQRT (sqrt)
 
@@ -239,6 +240,8 @@ exp(path(Book::price))
 
 floor(path(Book::price))
 
+ln(path(Book::price))
+
 round(path(Book::price), 2)
 
 sqrt(path(Book::price))
@@ -246,8 +249,6 @@ sqrt(path(Book::price))
 
 | Function | DSL function |
 |----------|--------------|
-| FLOOR    | not yet      |
-| LN       | not yet      |
 | MOD      | not yet      |
 | POWER    | not yet      |
 | SIGN     | not yet      |
diff --git a/docs/ko/jpql-with-kotlin-jdsl/expressions.md b/docs/ko/jpql-with-kotlin-jdsl/expressions.md
index 5313adc51..9ae14ffcc 100644
--- a/docs/ko/jpql-with-kotlin-jdsl/expressions.md
+++ b/docs/ko/jpql-with-kotlin-jdsl/expressions.md
@@ -223,6 +223,7 @@ locate("Book", path(Book::title))
 * CEILING (ceiling)
 * EXP (exp)
 * FLOOR (floor)
+* LN (ln)
 * ROUND (round)
 * SQRT (sqrt)
 
@@ -235,6 +236,8 @@ exp(path(Book::price))
 
 floor(path(Book::price))
 
+ln(path(Book::price))
+
 round(path(Book::price), 2)
 
 sqrt(path(Book::price))
@@ -242,8 +245,6 @@ sqrt(path(Book::price))
 
 | Function | DSL function |
 |----------|--------------|
-| FLOOR    | not yet      |
-| LN       | not yet      |
 | MOD      | not yet      |
 | POWER    | not yet      |
 | SIGN     | not yet      |