Typo fix and wording changes for splash

Author: esperr

index.html

@@ -60,11 +60,12 @@ <h1>Members by Interest</h1>
 
   <div id="results">
   <div id="splash">
-    <p>Bills and Resolutions are indexed using a couple of dozen broad <a href="https://www.congress.gov/help/field-values/policy-area">Policy Areas</a>
+    <p>This tool enables you to gain insight into what members of congress are interested in by seeing what sorts of bills they sponsor and cosponsor.
+      Bills and Resolutions are indexed using a couple of dozen broad <a href="https://www.congress.gov/help/field-values/policy-area">Policy Areas</a>
         in addition to several hundred more narrow  <a href="https://www.congress.gov/help/field-values/legislative-subject-terms">Legislative Subject Terms</a>.
-        Sponsorship or copsponsorship of a bill is not only indicates support for a particular measure, but is also a powerful signal of a member's interest
-        in the topics that that measure is intended to address.</p>
-        <p>Want to see a different chamber or a particular congress? Use the options above</p>
+        Sponsoring or copsponsoring a bill not only indicates support for that particular measure, but is also a powerful signal of a member's engagement
+        with the topics that the measure is intended to address.</p>
+        <p>Want to see a different chamber or a particular congress? Use the options above!</p>
 
     <div class="row">
     <div class="col-md-6 splashpart">