diff --git a/Pharo/PharoJs-Base-JS-CoreLibraries/PjString.class.st b/Pharo/PharoJs-Base-JS-CoreLibraries/PjString.class.st
index dd1538af..3058b20b 100644
--- a/Pharo/PharoJs-Base-JS-CoreLibraries/PjString.class.st
+++ b/Pharo/PharoJs-Base-JS-CoreLibraries/PjString.class.st
@@ -244,7 +244,7 @@ PjString >> endsWith: suffix [
 
 { #category : 'accessing' }
 PjString >> findString: substring startingAt: start [
-	<javaScript: 'return this.indexOf(substring,start-1)+1'>
+	<javascript: 'return this.indexOf(substring,start-1)+1'>
 ]
 
 { #category : 'accessing' }