Updated SC2033 (markdown)

SC2033.md

@@ -17,4 +17,8 @@ Instead, the function contents can be executed in a shell, either through `sh -c
 
 ### Contraindications
 
-None.
+If you're intentionally passing a word that happens to have the same name as a declared function, you can quote it to make shellcheck ignore it, e.g.
+
+    apt-get() {
+      sudo "apt-get" "$@"
+    }