diff --git a/SC2020.md b/SC2020.md
index fb106f6..3e326f5 100644
--- a/SC2020.md
+++ b/SC2020.md
@@ -6,7 +6,7 @@
 
 ### Correct code:
 
-    echo 'hello world' | sed -e 's/hello/goodbye'
+    echo 'hello world' | sed -e 's/hello/goodbye/g'
 
 ### Rationale: