diff --git a/runbooks/df.md b/runbooks/df.md
index 8dd9c4a65..7a30ea66d 100644
--- a/runbooks/df.md
+++ b/runbooks/df.md
@@ -8,7 +8,7 @@ Determine mount point that is full from
 
 Change directory to the mount point
 
-    cd /somepath
+    cd /somepath ; pwd
 
 ## Find largest directories