diff --git a/README.md b/README.md
index 3901a4ca..218faabb 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 # Blockbook
 
-**Blockbook** is back-end service for Trezor Suite. Main features of **Blockbook** are:
+**Blockbook** is a back-end service for Trezor Suite. The main features of **Blockbook** are:
 
 -   index of addresses and address balances of the connected block chain
 -   fast index search