diff --git a/format/yaml/src/main/java/com/github/siroshun09/configapi/format/yaml/comment/YamlBlockComment.java b/format/yaml/src/main/java/com/github/siroshun09/configapi/format/yaml/comment/YamlBlockComment.java
index 25741769..acf91c6b 100644
--- a/format/yaml/src/main/java/com/github/siroshun09/configapi/format/yaml/comment/YamlBlockComment.java
+++ b/format/yaml/src/main/java/com/github/siroshun09/configapi/format/yaml/comment/YamlBlockComment.java
@@ -34,6 +34,10 @@ public record YamlBlockComment(@NotNull String content, int prependBlankLines) i
      */
     public static final String TYPE = "block";
 
+    /**
+     * @param content           the content of the comment
+     * @param prependBlankLines the number of blank lines before the block comments
+     */
     public YamlBlockComment {
         Objects.requireNonNull(content);
         if (prependBlankLines < 0) {
diff --git a/format/yaml/src/main/java/com/github/siroshun09/configapi/format/yaml/comment/YamlInlineComment.java b/format/yaml/src/main/java/com/github/siroshun09/configapi/format/yaml/comment/YamlInlineComment.java
index ecf04e5c..ed0adae4 100644
--- a/format/yaml/src/main/java/com/github/siroshun09/configapi/format/yaml/comment/YamlInlineComment.java
+++ b/format/yaml/src/main/java/com/github/siroshun09/configapi/format/yaml/comment/YamlInlineComment.java
@@ -33,6 +33,9 @@ public record YamlInlineComment(@NotNull String content) implements SimpleCommen
      */
     public static final String TYPE = "inline";
 
+    /**
+     * @param content the content of the comment
+     */
     public YamlInlineComment {
         Objects.requireNonNull(content);
     }