diff --git a/SC2011.md b/SC2011.md
index c0ed1ee..bd6192c 100644
--- a/SC2011.md
+++ b/SC2011.md
@@ -3,17 +3,17 @@
 ### Problematic code:
 
 ```sh
-ls | xargs wc -w
+ls | xargs -n1 wc -w
 ```
 
 ### Correct code:
 
 ```sh
-find . -maxdepth 1 -print0 | xargs -0 wc -w
+find . -maxdepth 1 -print0 | xargs -0 -n1 wc -w
 ```
 
 ```sh
-find . -maxdepth 1 -print0 -exec wc -w
+find . -maxdepth 1 -type f -exec wc -w {} \;
 ```
 
 ### Rationale: