diff --git a/packages/bruno-app/src/components/RequestTabs/CollectionToolBar/index.js b/packages/bruno-app/src/components/RequestTabs/CollectionToolBar/index.js
index e19da78da..da3568960 100644
--- a/packages/bruno-app/src/components/RequestTabs/CollectionToolBar/index.js
+++ b/packages/bruno-app/src/components/RequestTabs/CollectionToolBar/index.js
@@ -68,7 +68,12 @@ const CollectionToolBar = ({ collection }) => {
               <IconSettings className="cursor-pointer" size={18} strokeWidth={1.5} onClick={viewCollectionSettings} />
             </ToolHint>
           </span>
-          <GlobalEnvironmentSelector />
+          <span>
+            <ToolHint text="Global Environments" toolhintId="GlobalEnvironmentsToolhintId">
+              <GlobalEnvironmentSelector />
+            </ToolHint>
+          </span>
+          
           <EnvironmentSelector collection={collection} />
         </div>
       </div>
diff --git a/packages/bruno-app/src/components/ToolHint/index.js b/packages/bruno-app/src/components/ToolHint/index.js
index 5ca7af233..ffd68df8d 100644
--- a/packages/bruno-app/src/components/ToolHint/index.js
+++ b/packages/bruno-app/src/components/ToolHint/index.js
@@ -22,6 +22,7 @@ const ToolHint = ({
     ...tooltipStyle,
     fontSize: '0.75rem',
     padding: '0.25rem 0.5rem',
+    zIndex: 9999,
     backgroundColor: toolhintBackgroundColor,
     color: toolhintTextColor
   };