diff --git a/README.md b/README.md
index 626747d..f1843f0 100644
--- a/README.md
+++ b/README.md
@@ -187,7 +187,7 @@ length of the word to the left of the cursor is less than `keyword_length`.
 
 Default: `1`
 
-### completion.get_trigger_characters (type: fun(trigger_characters: string[]): string[])
+#### completion.get_trigger_characters (type: fun(trigger_characters: string[]): string[])
 
 The function to resolve trigger_characters.