diff --git a/README.md b/README.md
index 48dc324..2087e08 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
 # OCAT - One Cell At A Time
-OCAT provides a large-scale and memory-efficient framework to cluster single-cell transcriptomics. 
+OCAT provides a fast and memory-efficient framework for large-scale scRNA-seq data.