diff --git a/clientname.c b/clientname.c
index ef5e4d24..2e36b0ba 100644
--- a/clientname.c
+++ b/clientname.c
@@ -156,7 +156,7 @@ char *client_name(const char *ipaddr)
 }
 
 
-/* Try to read an proxy protocol header (V1 or V2). Returns 1 on success or 0 on failure. */
+/* Try to read a proxy protocol header (V1 or V2). Returns 1 on success or 0 on failure. */
 int read_proxy_protocol_header(int fd)
 {
 	union {