[skip ci] Fix some grammar issues (#9845)

Signed-off-by: min.tian <min.tian.cn@gmail.com>
2021-10-14 14:00:47 +08:00 · 2021-10-14 14:00:47 +08:00 · 154961f41a
parent a089c7df4c
commit 154961f41a
1 changed files with 1 additions and 1 deletions
--- a/docs/design_docs/retrieve_entity.md
+++ b/docs/design_docs/retrieve_entity.md
@ -13,7 +13,7 @@ QueryNode subscribes to the insert channel and will determine whether to use the
 ## Goals

 - Support to retrieve one or more entities from a collection through primary keys
- Support to retrieve only some fields of a entity
+- Support to retrieve only some fields of an entity
 - Consider backward file format compatibility if a new file is defined

 ## Non-Goals