diff --git a/rev/09/01.md b/rev/09/01.md
index 9c7a6fc6ed..93d0f9c0f0 100644
--- a/rev/09/01.md
+++ b/rev/09/01.md
@@ -16,5 +16,5 @@ Possible meanings are 1) "shaft" is another way of referring to the pit and desc
 
 # the bottomless pit
 
-This is an extremely deep narrow hole. Possible meanings are 1) the pit has no bottom; it continues to go down further forever or 2) the pit is so deep that it is as if it had no bottom.
+This is an extremely deep, narrow hole. Possible meanings are 1) the pit has no bottom; it continues to go down further forever or 2) the pit is so deep that it is as if it had no bottom.