Fix minor typo in HAProxy Multi TLS certificate termination

Author: mbssaiakhil

examples/multi-tls/haproxy/README.md

@@ -1,6 +1,6 @@
 # HAProxy Multi TLS certificate termination
 
-This examples uses 2 different certificates to terminate SSL for 2 hostnames.
+This example uses 2 different certificates to terminate SSL for 2 hostnames.
 
 ## Prerequisites
 
@@ -70,4 +70,4 @@ $ openssl s_client -connect 10.129.51.55:31578 -servername bar.foo
 subject=/CN=bar.foo
 issuer=/CN=bar.foo
 ---
-```
+```