[CLI] Cleanup around cli args
diff --git a/compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.kt b/compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.kt
index 0623308..6bef035 100644
--- a/compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.kt
+++ b/compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.kt
@@ -785,7 +785,7 @@
 
     @Argument(
         value = "-Xwhen-guards",
-        description = "Enable language support for when guards."
+        description = "Enable experimental language support for when guards."
     )
     var whenGuards = false
         set(value) {
diff --git a/compiler/util/src/org/jetbrains/kotlin/config/LanguageVersionSettings.kt b/compiler/util/src/org/jetbrains/kotlin/config/LanguageVersionSettings.kt
index 3c4acc9..160fe4e 100644
--- a/compiler/util/src/org/jetbrains/kotlin/config/LanguageVersionSettings.kt
+++ b/compiler/util/src/org/jetbrains/kotlin/config/LanguageVersionSettings.kt
@@ -384,7 +384,7 @@
     MultiPlatformProjects(sinceVersion = null),
     ProhibitComparisonOfIncompatibleClasses(sinceVersion = null, kind = BUG_FIX),
     ProhibitAllMultipleDefaultsInheritedFromSupertypes(sinceVersion = null, kind = BUG_FIX),
-    ExplicitBackingFields(sinceVersion = null, kind = UNSTABLE_FEATURE),
+    ExplicitBackingFields(sinceVersion = null, kind = UNSTABLE_FEATURE), // KT-14663
     FunctionalTypeWithExtensionAsSupertype(sinceVersion = null),
     JsAllowValueClassesInExternals(sinceVersion = null, kind = OTHER),
     ContextReceivers(sinceVersion = null),