diff --git a/platform/lang-api/src/com/intellij/framework/detection/DetectionExcludesConfiguration.java b/platform/lang-api/src/com/intellij/framework/detection/DetectionExcludesConfiguration.java
index d1aaf71f63b0..49bfd386cf6b 100644
--- a/platform/lang-api/src/com/intellij/framework/detection/DetectionExcludesConfiguration.java
+++ b/platform/lang-api/src/com/intellij/framework/detection/DetectionExcludesConfiguration.java
@@ -30,8 +30,19 @@ public abstract class DetectionExcludesConfiguration {
     return ServiceManager.getService(project, DetectionExcludesConfiguration.class);
   }
 
+  /**
+   * Suppress detection of framework {@code type} everywhere in the project
+   */
   public abstract void addExcludedFramework(@NotNull FrameworkType type);
-  public abstract void addExcludedFile(@NotNull VirtualFile file, @Nullable FrameworkType type);
+
+  /**
+   * Suppress detection of framework {@code type} in the specified file or directory
+   */
+  public abstract void addExcludedFile(@NotNull VirtualFile fileOrDirectory, @Nullable FrameworkType type);
+
+  /**
+   * Suppress detection of framework {@code type} in the file or directory specified by {@code url}
+   */
   public abstract void addExcludedUrl(@NotNull String url, @Nullable FrameworkType type);
 
   public abstract boolean isExcludedFromDetection(@NotNull VirtualFile file, @NotNull FrameworkType frameworkType);