1 files changed, 1 insertions, 1 deletions
diff --git a/shell/README.md b/shell/README.md
index 3f536bef..7c1195e6 100644
--- a/shell/README.md
+++ b/shell/README.md
@@ -122,7 +122,7 @@ if (= 1 (% x 2))
 
 The Mu shell supports infix operators:
 ```
-3 + 1
+(3 + 1)
 => 4
 ```