diff --git a/README.md b/README.md
index 146f739..40fd692 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 pyzk is unofficial library of zksoftware the fingerprint attendance machine. 
 
-# api Usages
+# api Usage
 
 Create ZK object and you will ready to call api.