diff --git a/README.OpenSource b/README.OpenSource
index 348976a..5d1f2a8 100644
--- a/README.OpenSource
+++ b/README.OpenSource
@@ -3,7 +3,7 @@
     "Name": "either",
     "License": "Apache License V2.0, MIT",
     "License File": "LICENSE-APACHE, LICENSE-MIT",
-    "Version Number": "1.8.1 ",
+    "Version Number": "1.8.1",
     "Owner": "fangting12@huawei.com",
     "Upstream URL": "https://github.com/bluss/either",
     "Description": "A Rust library that provides a simple and efficient way to work with either/or types. "