update drop a pin verbiage

Author: cmurchis

index.html

@@ -50,7 +50,7 @@ <h1 id="title">Guided Reentry<br> On Wheels</h1>
 
  <center> 
     <h1 id="host">Are you a homoeowner/business operator/land owner willing to host a site?</h1>
-    <p>Drop a pin on or near the site location.</p>
+    <p>Enter the address of the potential host site to drop a pin on or near the site location.</p>
 <div id="map">
 
     <iframe src="https://storage.googleapis.com/maps-solutions-ydsy4stc7z/address-selection/0u8d/address-selection.html"