diff --git a/docs/design_docs/segcore/segment_overview.md b/docs/design_docs/segcore/segment_overview.md
index 5a04b76143..525535183c 100644
--- a/docs/design_docs/segcore/segment_overview.md
+++ b/docs/design_docs/segcore/segment_overview.md
@@ -1,7 +1,7 @@
 # Segment Overview
 
 There are currently two types of Segment
-1. Growing segment, dynamic insert is allowed, but can not load index for fast retriving
+1. Growing segment, dynamic insert is allowed, but can not load index for fast retrieving
 2. Sealed segment, dynamic insert is disabled, load vector index is supported
 
 Both Segment types share the same interface, based on `SegmentInterface`, External callers only need to care about the behaviour of the following interface as function declarations and corresponding constructor:
@@ -22,4 +22,4 @@ See more details about segments at:
 
 1. [segment_interface.md](segment_interface.md)
 2. [segment_growing.md](segment_growing.md)
-3. [segment_sealed.md](segment_sealed.md)
\ No newline at end of file
+3. [segment_sealed.md](segment_sealed.md)