Update installing-nginx-plus-google-cloud-platform.md

Changing the gerund of the title.

Author: purcellconsult

content/nginx/admin-guide/installing-nginx/installing-nginx-plus-google-cloud-platform.md

@@ -2,7 +2,7 @@
 description: Install F5 NGINX Plus on the Google Cloud Platform, to provide sophisticated
   Layer 7 load balancing for your apps running on Google Compute Engine.
 docs: DOCS-412
-title: Installing NGINX Plus on the Google Cloud Platform
+title: Install NGINX Plus on the Google Cloud Platform
 toc: true
 weight: 400
 type: