Minor, fix error message when renaming package facade

idea/idea-analysis/src/org/jetbrains/kotlin/idea/JetBundle.properties

@@ -55,7 +55,7 @@ import.fix=Import
 imports.chooser.title=Imports
 rename.parameter.to.match.overridden.method=Rename parameter to match overridden method
 rename.family=Rename
-rename.kotlin.package.class.error="Can't rename kotlin package class"
+rename.kotlin.package.class.error=Can't rename Kotlin package facade class
 add.semicolon.after.invocation=Add semicolon after invocation of ''{0}''
 add.semicolon.family=Add Semicolon
 change.function.return.type=Change ''{0}'' function return type to ''{1}''

idea/testData/refactoring/rename/renameKotlinPackageClass/javaWrapperForKotlinPackageClass.test

@@ -1,6 +1,6 @@
 {
   "type": "JAVA_CLASS",
-  "hint": "Can\u0027t rename kotlin package class",
+  "hint": "Can\u0027t rename Kotlin package facade class",
   "classId": "testing/rename/RenamePackage",
   "newName": "NewPackageName"
 }