Update xhprof_html/docs/index.html

Fixed couple typos

xhprof_html/docs/index.html

@@ -74,7 +74,7 @@ <h3>XHProf Documentation (Draft)</h3>
 built on top of XHProf.  XHProfLive continually gathers function-level
 profiler data from production tier by running a sample of page
 requests under XHProf. XHProfLive then aggregates the profile data
-corresponding to individual requests by various dimensions such a
+corresponding to individual requests by various dimensions such as
 time, page type, and can help answer a variety of questions such as:
 What is the function-level profile for a specific page? How expensive
 is function "foo" across all pages, or on a specific page? What
@@ -98,7 +98,7 @@ <h3>XHProf Documentation (Draft)</h3>
 <ul>
 <li><b>Flat profile</b> (<a href="sample-flat-view.jpg" >screenshot</a>)
 
-<p>Provides function-level summary information such number of calls,
+<p>Function-level summary information such as number of calls,
 inclusive/exclusive wall time, memory usage, and CPU time.
 
 <p><li><b>Hierarchical profile (Parent/Child View)</b>