diff --git a/platform/platform-api/src/com/intellij/openapi/application/Experiments.java b/platform/platform-api/src/com/intellij/openapi/application/Experiments.java
index 67e1823ed47d..61b62d9ce9d0 100644
--- a/platform/platform-api/src/com/intellij/openapi/application/Experiments.java
+++ b/platform/platform-api/src/com/intellij/openapi/application/Experiments.java
@@ -1,21 +1,20 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2017 JetBrains s.r.o.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 package com.intellij.openapi.application;
 
 import com.intellij.ide.util.PropertiesComponent;
+import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.extensions.ExtensionPointName;
 import org.jetbrains.annotations.Nullable;
 
@@ -24,6 +23,8 @@ import org.jetbrains.annotations.Nullable;
  */
 public class Experiments {
   public static final ExtensionPointName<ExperimentalFeature> EP_NAME = ExtensionPointName.create("com.intellij.experimentalFeature");
+  private static final Logger LOG = Logger.getInstance(Experiments.class);
+
   public static boolean isFeatureEnabled(String featureId) {
     for (ExperimentalFeature feature : EP_NAME.getExtensions()) {
       if (feature.id.equals(featureId)) {
@@ -43,6 +44,7 @@ public class Experiments {
     if (feature != null) {
       String key = toPropertyKey(feature);
       PropertiesComponent.getInstance().setValue(key, enabled, feature.isEnabled());
+      LOG.info("Experimental feature '" + featureId + "' is now turned " + (enabled ? "ON" : "OFF"));
     }
   }