diff --git a/SC1035.md b/SC1035.md
index 48f2722..e1815a1 100644
--- a/SC1035.md
+++ b/SC1035.md
@@ -3,12 +3,12 @@
 ### Problematic code:
 
 ```sh
-if ![-z foo ]; then true; fi
+if ![-z foo ]; then true; fi # if the command `[-z' with args `foo', `]' is not successful..
 ```
 ### Correct code:
 
 ```sh
-if ! [ -z foo ]; then true; fi
+if ! [ -z foo ]; then true; fi # if the command `[' with args `-z'. `foo', `]' is not sucessful..
 ```
 
 ### Rationale: