doc: improve grammar in tls docs

AdriVanHoudt · Michael Scovetta · commit fb56a3adc590 · 2016-04-02T06:04:10.000Z
Fix: nodejs#4246 PR-URL: nodejs#4315 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Fedor Indutny <fedor@indutny.com>
diff --git a/doc/api/tls.markdown b/doc/api/tls.markdown
@@ -598,7 +598,7 @@ Creates a new client connection to the given `port` and `host` (old API) or
     OpenSSL and are defined in the constant [SSL_METHODS][].
 
   - `secureContext`: An optional TLS context object from
-     `tls.createSecureContext( ... )`. Could it be used for caching client
+     `tls.createSecureContext( ... )`. It could be used for caching client
      certificates, key, and CA certificates.
 
   - `session`: A `Buffer` instance, containing TLS session.
