diff --git a/warehouse/static/sass/blocks/_callout-block.scss b/warehouse/static/sass/blocks/_callout-block.scss
index 7ae6aaf02cd4..5cc2cf0236d8 100644
--- a/warehouse/static/sass/blocks/_callout-block.scss
+++ b/warehouse/static/sass/blocks/_callout-block.scss
@@ -24,6 +24,7 @@
 
   Modifiers:
     - danger: Makes border red
+    - warning: Makes border brown
     - success: Makes border green
     - bottom-margin: Adds extra margin below the callout
 */
@@ -68,6 +69,14 @@
     }
   }
 
+  &--warning {
+    border-color: $warn-text;
+
+    &:before {
+      background-color: $warn-text;
+    }
+  }
+
   &--success {
     border-color: $success-color;
 
diff --git a/warehouse/templates/manage/token.html b/warehouse/templates/manage/token.html
index bc4c6d371579..8c863c4ae3b6 100644
--- a/warehouse/templates/manage/token.html
+++ b/warehouse/templates/manage/token.html
@@ -79,6 +79,10 @@ <h2>Token for "{{ macaroon.description }}"</h2>
         </select>
         {{ field_errors(create_macaroon_form.token_scope) }}
       </div>
+      <div class="callout-block callout-block--warning">
+        <h3 class="callout-block__heading">Proceed with caution!</h3>
+        <p>An API token scoped to your entire account will have the same power as your account password.</p>
+      </div>
       <div>
         <input value="Add token" class="button button--primary" type="submit">
       </div>