Update vs pages to address PR comments

website/intro/vs/boto.html.markdown

@@ -3,7 +3,7 @@ layout: "intro"
 page_title: "Terraform vs. Boto, Fog, etc."
 sidebar_current: "vs-other-boto"
 description: |-
-  How Terraform compares to cloud provider client libraries. 
+  How Terraform compares to cloud provider client libraries like Boto and Fog. 
 ---
 
 # Terraform vs. Boto, Fog, etc.

website/intro/vs/chef-puppet.html.markdown

@@ -3,7 +3,7 @@ layout: "intro"
 page_title: "Terraform vs. Chef, Puppet, etc."
 sidebar_current: "vs-other-chef"
 description: |-
-    How Terraform compares to configuration management tools. 
+    How Terraform compares to configuration management tools like Chef and Puppet. 
 ---
 
 # Terraform vs. Chef, Puppet, etc.

website/intro/vs/cloudformation.html.markdown

@@ -3,7 +3,7 @@ layout: "intro"
 page_title: "Terraform vs. CloudFormation, Heat, etc."
 sidebar_current: "vs-other-cloudformation"
 description: |-
-  How Terraform compares to other infrastructure as code tools.
+  How Terraform compares to other infrastructure as code tools like CloudFormation and Heat. One advantage is that Terraform can simultaneously manage multiple cloud providers (AWS, OpenStack, etc.) and services (Cloudflare, DNSimple, etc.).
 ---
 
 # Terraform vs. CloudFormation, Heat, etc.