diff --git a/docs/en/query_language/functions/string_search_functions.md b/docs/en/query_language/functions/string_search_functions.md
index a08693acaf7..a3914bfc4a8 100644
--- a/docs/en/query_language/functions/string_search_functions.md
+++ b/docs/en/query_language/functions/string_search_functions.md
@@ -1,4 +1,4 @@
-# Functions for searching strings
+# Functions for Searching Strings
 
 The search is case-sensitive in all these functions.
 The search substring or regular expression must be a constant in all these functions.