diff --git a/PowerEditor/src/stylers.model.xml b/PowerEditor/src/stylers.model.xml
index 2ce5ba4bb..f3edd0a8a 100644
--- a/PowerEditor/src/stylers.model.xml
+++ b/PowerEditor/src/stylers.model.xml
@@ -272,6 +272,8 @@
             <WordsStyle name="COMMENT LINE DOC" styleID="15" fgColor="008080" bgColor="FFFFFF" fontName="" fontStyle="0" fontSize="" />
             <WordsStyle name="COMMENT DOC KEYWORD" styleID="16" fgColor="008080" bgColor="FFFFFF" fontName="" fontStyle="1" fontSize="" />
             <WordsStyle name="COMMENT DOC KEYWORD ERROR" styleID="17" fgColor="008080" bgColor="FFFFFF" fontName="" fontStyle="0" fontSize="" />
+            <WordsStyle name="STRING B" styleID="18" fgColor="808080" bgColor="FFFFFF" fontName="" fontStyle="0" fontSize="" />
+            <WordsStyle name="STRING R" styleID="19" fgColor="808080" bgColor="FFFFFF" fontName="" fontStyle="0" fontSize="" />
         </LexerType>
         <LexerType name="diff" desc="DIFF" ext="">
             <WordsStyle name="DEFAULT" styleID="0" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" fontSize="" />