diff --git a/RegExpSupport/resources/messages/RegExpBundle.properties b/RegExpSupport/resources/messages/RegExpBundle.properties
index c869d6aff382..b67a83a93f92 100644
--- a/RegExpSupport/resources/messages/RegExpBundle.properties
+++ b/RegExpSupport/resources/messages/RegExpBundle.properties
@@ -1,21 +1,21 @@
-color.settings.bad.character=Bad Character
+color.settings.bad.character=Bad character
 color.settings.brace=Brace
 color.settings.bracket=Bracket
-color.settings.character.class=Character Class
+color.settings.character.class=Character class
 color.settings.comma=Comma
 color.settings.comment=Comment
 color.settings.dot=Dot
-color.settings.escaped.character=Escaped Character
-color.settings.inline.option=Inline Option
-color.settings.invalid.escape.sequence=Invalid Escape Sequence
-color.settings.matched.groups=Matched Groups
+color.settings.escaped.character=Escaped character
+color.settings.inline.option=Inline option
+color.settings.invalid.escape.sequence=Invalid escape sequence
+color.settings.matched.groups=Matched groups
 color.settings.name=Name
-color.settings.operator.character=Operator Character
+color.settings.operator.character=Operator character
 color.settings.parenthesis=Parenthesis
-color.settings.plain.character=Plain Character
+color.settings.plain.character=Plain character
 color.settings.quantifier=Quantifier
-color.settings.quote.character=Quote Escape
-color.settings.redundant.escape.sequence=Redundant Escape Sequence
+color.settings.quote.character=Quote escape
+color.settings.redundant.escape.sequence=Redundant escape sequence
 color.settings.title.regexp=RegExp
 doc.property.block.stands.for.0=Property block stands for {0}
 doc.property.block.stands.for.characters.not.matching.0=Property block stands for characters not matching {0}