Issue #134: Done.

src/components/Discover/Conformance/ConformanceSidebar.vue

@@ -721,7 +721,7 @@ export default {
                   }
                   break;
                 case 'From & To':
-                  if(!this.selectCfmWtPSEStart || !this.selectCfmWtPSEEnd) return this.$toast.error('Both Start and End must be selected.');
+                  if(!this.selectCfmWtPSEStart || !this.selectCfmWtPSEEnd) return this.$toast.error('From and To activity must be selected.');
                   else {
                     data = {
                       start: this.selectCfmWtPSEStart,