change color in help: grey -> coloured

src/js/index.js

@@ -161,7 +161,7 @@ function initMainPageStructure() {
                 <span class="pull-right fa fa-chevron-down">
             </div>
             <div id="instructions_panel_${pluginContainerId}" class="panel-body card-body panel-default panel-collapse collapse">                
-                This is a basic Gene Set Enrichment plugin. It calculates enrichment of elements from selected overlay(s) in the pathways of the map (grey areas).<br><br>
+                This is a basic Gene Set Enrichment plugin. It calculates enrichment of elements from selected overlay(s) in the pathways of the map (coloured areas).<br><br>
                 <u>Show enriched pathways</u> button calculates the enrichment scores (Bonferroni-adjusted p-value), lists the significantly enriched pathways in the window "Gene Set Enrichment Analysis" window, and highlights them.<br><br>
                 <u>Reset</u> button removes the results and the enrichment.<br><br>
                 If multiple overlays are selected, the enrichment will be calculated for the combined gene sets.