diff --git a/docs/design_docs/milvus_create_index_en.md b/docs/design_docs/milvus_create_index_en.md
index 005456fcba..33a953583b 100644
--- a/docs/design_docs/milvus_create_index_en.md
+++ b/docs/design_docs/milvus_create_index_en.md
@@ -169,7 +169,7 @@ message CreateIndexRequest {
 
 14. There is a background service, `indexBuildLoop`, in the `IndexNode`. `indexBuildLoop` would call `scheduleIndexBuildTask` to get a `IndexBuildTask` from `IndexBuildQueue`, and then start another `goroutine` to build index and update meta.
 
-*Node*: `InexNode` will not notify the `QueryCoord` to load the index file, if the users want to speed up seach by these index files, he should call `ReleaseCollection` firstly, then call `LoadCollection` to load these index files.
+*Node*: `InexNode` will not notify the `QueryCoord` to load the index file, if an user wants to speed up seach by these index files, he should call `ReleaseCollection` firstly, then call `LoadCollection` to load these index files.
 
 15.  As mentioned earlier, `RootCoord` would only search on these flushed segments on `CreateIndex` request, the following figure show how to deal with the newly add segments.