diff --git a/doc/proxy-protocol.txt b/doc/proxy-protocol.txt
index 4969180..52d7bc7 100644
--- a/doc/proxy-protocol.txt
+++ b/doc/proxy-protocol.txt
@@ -561,7 +561,7 @@
 In case of TLS being used on the client connection, this is the exact copy of
 the "server_name" extension as defined by RFC3546 [10], section 3.1, often
 referred to as "SNI". There are probably other situations where an authority
-can be mentionned on a connection without TLS being involved at all.
+can be mentioned on a connection without TLS being involved at all.
 
 
 2.2.3. PP2_TYPE_CRC32C