diff --git a/platform/core-api/src/com/intellij/openapi/fileTypes/UnknownFileType.java b/platform/core-api/src/com/intellij/openapi/fileTypes/UnknownFileType.java
index 6bd98c1419c6..8a3636c97769 100644
--- a/platform/core-api/src/com/intellij/openapi/fileTypes/UnknownFileType.java
+++ b/platform/core-api/src/com/intellij/openapi/fileTypes/UnknownFileType.java
@@ -35,7 +35,7 @@ public class UnknownFileType implements FileType {
   @Override
   @NotNull
   public String getDescription() {
-    return "UNKNOWN";
+    return "Unknown";
   }
 
   @Override