Update common-mistakes.md

diff --git a/docs/intro/common-mistakes.md b/docs/intro/common-mistakes.md
index 8b13789..f235943 100644 (file)
--- a/docs/intro/common-mistakes.md
+++ b/docs/intro/common-mistakes.md
@@ -1 +1 @@
-
+-    `-1 >> 1 == -1`