fix heading level

gavinking · gavinking · commit d0f98b72e44c · 2025-01-11T12:31:42.000+01:00
diff --git a/documentation/src/main/asciidoc/querylanguage/Expressions.adoc b/documentation/src/main/asciidoc/querylanguage/Expressions.adoc
@@ -1209,7 +1209,7 @@ However, we note that the following language constructs work with arrays, and ar
 |===
 
 [[functions-hash]]
-=== Hash functions
+==== Hash functions
 
 The following functions work on most supported platforms:
 
