diff --git a/README.md b/README.md
index 822e2acd2..da18f0891 100644
--- a/README.md
+++ b/README.md
@@ -568,7 +568,7 @@ API versions may be marked as "STABLE", if changes are made to an API which has
 * add or delete apis
 * change the apis versionStatus from or to "STABLE"
 
-If is is required for a "STABLE" api to be changed, then the class metadata must be regenerated using the FrozenClassUtil (see how to freeze an api)
+If it is required for a "STABLE" api to be changed, then the class metadata must be regenerated using the FrozenClassUtil (see how to freeze an api)
 ### Steps to freeze an api
 * Run the FrozenClassUtil to regenerate persist file of frozen apis information, the file is `PROJECT_ROOT_PATH/obp-api/src/test/resources/frozen_type_meta_data`
 * push the file `frozen_type_meta_data` to github