Fixes from review (#189)

- Subject agreement on table
- Copy fixes

content/pages/comparisons/github-pages.html

@@ -25,7 +25,7 @@
     %}
     <p>
       GitHub Pages is great. We used to use it and <em>we loved it</em>.
-      However, it's just a static hosting with no features at all.
+      However, it's just for static hosting with no features at all.
       When talking about documentation, <strong>Read the Docs</strong> is <em>the</em> perfect solution for it.
     </p>
     <p>
@@ -67,10 +67,10 @@
 
     {% call comparison.feature_table() %}
     {{ comparison.feature_row("Static hosting", "Publish any static content", "fa-page", on_github=True) }}
-    {{ comparison.feature_row("Build your site on the cloud", "Generate the site's content on the cloud", "fa-gears", on_github=True) }}
-    {{ comparison.feature_row("Deploy previews", "Solve style-issues before deploying", "fa-rocket-launch") }}
+    {{ comparison.feature_row("Build your site on the cloud", "Generate your site's content on the cloud", "fa-gears", on_github=True) }}
+    {{ comparison.feature_row("Deploy previews", "Solve style issues before deploying", "fa-rocket-launch") }}
     {{ comparison.feature_row("Search", "Always find what you are looking for", "fa-magnifying-glass") }}
-    {{ comparison.feature_row("Multiple versions", "Publish multiple versions of our documentation", "fa-books") }}
+    {{ comparison.feature_row("Multiple versions", "Publish multiple versions of your documentation", "fa-books") }}
     {{ comparison.feature_row("Redirects", "Redirect users to the right page", "fa-arrows-turn-right") }}
     {{ comparison.feature_row("Custom 404 pages", "Style 404 pages with context-related information", "fa-xmark") }}
     {{ comparison.feature_row("Custom \"robots.txt\"", "Improve your SEO by telling bots how to explore your site", "fa-robot") }}
@@ -182,8 +182,8 @@ <h2 class="ui center aligned header">
               </h2>
 
               <p>
-                GitHub Pages could be pretty useful when talking about static hostings.
-                However, for publishing <em>good documentation</em> it lacks lot of features that your readers will want.
+                GitHub Pages can be useful for static hosting of simple web sites.
+                However, for publishing <em>good documentation</em> it lacks many features that your readers will want.
                 Read the Docs is the all-in-one solution that gets you started with all those features from the beginning.
               </p>