diff --git a/README.md b/README.md
index 1af26f69137dbe0dbf6bacd2ebaff691b27f357b..3febbd5bd39113a2348b62bc012e5f3e0b065b9e 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@
 
 ## What is Milvus
 
-Milvus is the world's fastest similarity search engine for massive feature vectors. Built with heterogeneous computing architecture for the best cost efficiency. Searches over billion-scale vectors take only milliseconds with minimum computing resources.
+Milvus is the world's fastest similarity search engine for massive-scale feature vectors. Built with heterogeneous computing architecture for the best cost efficiency. Searches over billion-scale vectors take only milliseconds with minimum computing resources.
 
 For more detailed introduction of Milvus and its architecture, see [Milvus overview](https://www.milvus.io/docs/en/aboutmilvus/overview/).