Update to release policy footer (#1030)

Author: NoopDog

spa/src/app/site/data-policy-footer/data-policy-footer.component.html

@@ -1,7 +1,7 @@
 <ng-container *ngIf="!policyAccepted">
     <div class="wrapper">
-        <p class="fontsize-xs">By downloading any data I accept the
-            <a href="https://www.humancellatlas.org/data-release-policy/" target="_blank">HCA Data Use Policy.</a></p>
+        <p class="fontsize-xs">By downloading data from the HCA DCP, you agree to the guidelines specified in the
+            <a href="https://www.humancellatlas.org/data-release-policy/" target="_blank">HCA Data Release Policy</a></p>
         <span class="fontsize-xs" (click)="onPolicyAccepted()">Got it</span>
     </div>
 </ng-container>