diff --git a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/DirectoryAccessChecker.java b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/DirectoryAccessChecker.java
index e22402da45f3..7806cd058b83 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/DirectoryAccessChecker.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/DirectoryAccessChecker.java
@@ -29,6 +29,7 @@ import java.util.concurrent.TimeoutException;
 
 import static com.intellij.openapi.util.Pair.pair;
 
+/** An experiment; please do not use (unless you're certain about what you're doing). */
 @ApiStatus.Experimental
 public class DirectoryAccessChecker {
   private DirectoryAccessChecker() { }