diff --git a/abp_io/README.md b/abp_io/README.md
index 2095b52ef6..813329cbea 100644
--- a/abp_io/README.md
+++ b/abp_io/README.md
@@ -1,2 +1,2 @@
-## abp.op
+## abp.io
 Source code of the official web site: https://abp.io