diff --git a/docs/design_docs/milvus_create_index_en.md b/docs/design_docs/milvus_create_index_en.md
index fb1d65732a..a335c2504c 100644
--- a/docs/design_docs/milvus_create_index_en.md
+++ b/docs/design_docs/milvus_create_index_en.md
@@ -24,7 +24,7 @@ message CreateIndexRequest {
 }
 ```
 
-2. When received the `CreateIndex` request, the `Proxy` would wraps this request into `CreateIndexTask`, and pushs this task into `DdTaskQueue` queue. After that, `Proxy` would call method of `WatiToFinish` to wait until the task finished.
+2. When received the `CreateIndex` request, the `Proxy` would wrap this request into `CreateIndexTask`, and pushs this task into `DdTaskQueue` queue. After that, `Proxy` would call method of `WatiToFinish` to wait until the task finished.
  
 ```go
 type task interface {
@@ -143,7 +143,7 @@ message BuildIndexResponse {
 
 11.  There is a backgroud service, `assignTaskLoop`, in `IndexCoord`. `assignTaskLoop` would call `GetUnassignedTask` periodically, the default interval is 3s. `GetUnassignedTask` would list these segments whos `index meta` has been updated, but index has not been created yet. 
 
-12.  The previous step has listed the segments whos index has not been created, for each those segments, `IndexCoord` would call `PeekClient` to get an available `IndexNode`,   and send `CreateIndex` request to this `IndexNode`. The `proto` is defined as follow. 
+12.  The previous step has listed the segments whose index has not been created, for each those segments, `IndexCoord` would call `PeekClient` to get an available `IndexNode`,   and send `CreateIndex` request to this `IndexNode`. The `proto` is defined as follow. 
 ```proto
 service IndexNode {
   ...