diff --git a/SC2013.md b/SC2013.md
index 73c850f..c405c49 100644
--- a/SC2013.md
+++ b/SC2013.md
@@ -44,7 +44,7 @@ NOTE: `grep -v '^ *#'` is a placeholder example and not needed. To just loop thr
 while IFS= read -r line
 do
   echo "Line: $line"
-done << file
+done < file
 # or: done <<< "$variable"
 ```