diff --git a/SC3061.md b/SC3061.md
index 9466bbe..43f5290 100644
--- a/SC3061.md
+++ b/SC3061.md
@@ -1,4 +1,4 @@
-## `read` without a variable is undefined.
+## In POSIX sh, `read` without a variable is undefined.
 
 ### Problematic code: