diff --git a/README.md b/README.md
index 8ee622b..155df1c 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,6 @@ Set
 <set>.add(<el>)
 <set>.update(<set>)
 <set>.clear()
-<bool> = <el> in <set>
 ```
 
 ```python