type in expression tooltip

src/app/components/info-tile/info-tile.component.html

@@ -92,7 +92,7 @@
       <span class="is-capitalized"> {{ wrapper.expression }}</span>
       <span
         class="icon has-text-info"
-        pTooltip="Tissue expression data is provided by the GTEx project. Unit is expression per million."
+        pTooltip="Tissue expression data is provided by the GTEx project. Unit is transcript per million."
         [tooltipStyleClass]="'drgstn drgstn-tooltip'"
         tooltipPosition="top"
         ><i class="fas fa-info-circle"></i