diff --git a/Documentation/powerpc/firmware-assisted-dump.rst b/Documentation/powerpc/firmware-assisted-dump.rst
index b3f3ee1..20ea8cd 100644
--- a/Documentation/powerpc/firmware-assisted-dump.rst
+++ b/Documentation/powerpc/firmware-assisted-dump.rst
@@ -344,7 +344,7 @@
 
 
 NOTE:
-      Please refer to Documentation/filesystems/debugfs.txt on
+      Please refer to Documentation/filesystems/debugfs.rst on
       how to mount the debugfs filesystem.