diff --git a/README.rst b/README.rst
index 0881248..e806f8b 100644
--- a/README.rst
+++ b/README.rst
@@ -37,7 +37,7 @@ Roughly, it works as follow:
 
 1. A client application sends an hash of the data it wants to time-stamp to a Time-Stamp authority server.
 2. The Time-Stamp authority server retrieves the current date, concatenates it with the hash and uses its private key to create the time-stamp (kind of like a signature).
-3. The Time-Stamp authority server return the generated time-stamp to the client application.
+3. The Time-Stamp authority server returns the generated time-stamp to the client application.
 
 Then a client can verify the piece of data with the time-stamp using the Certificate Authority of the time-stamp key pair (X509 certificates).