Update ssl_authentication.asciidoc

Fix typo

docs/ssl_authentication.asciidoc

@@ -5,7 +5,7 @@ You can configure the client to use SSL for connecting to your elasticsearch clu
 
 === Basic Auth
 
-Basic authentication credentials can be configured on a per-host basis using URL notiation, or at the `auth:` property of a host config object.
+Basic authentication credentials can be configured on a per-host basis using URL notation, or at the `auth:` property of a host config object.
 
 .Credentials directly in the host url:
 [source,js]
@@ -46,4 +46,4 @@ var client = new elasticsearch.Client({
     rejectUnauthorized: true
   }
 });
------
+-----