diff --git a/doc/classes/String.xml b/doc/classes/String.xml
index 6d9def7ccb4..516eb9dd571 100644
--- a/doc/classes/String.xml
+++ b/doc/classes/String.xml
@@ -332,7 +332,7 @@
 			<return type="String">
 			</return>
 			<description>
-				Changes the case of some letters. Replaces underscores with spaces, converts all letters to lowercase, then capitalizes first and every letter following the space character. For [code]capitalize camelCase mixed_with_underscores[/code], it will return [code]Capitalize Camelcase Mixed With Underscores[/code].
+				Changes the case of some letters. Replaces underscores with spaces, adds spaces before in-word uppercase characters, converts all letters to lowercase, then capitalizes the first letter and every letter following a space character. For [code]capitalize camelCase mixed_with_underscores[/code], it will return [code]Capitalize Camel Case Mixed With Underscores[/code].
 			</description>
 		</method>
 		<method name="casecmp_to">