diff --git a/cara/apps/calculator/templates/calculator.form.html.j2 b/cara/apps/calculator/templates/calculator.form.html.j2
index 8eaf4bc9..7d9ddb85 100644
--- a/cara/apps/calculator/templates/calculator.form.html.j2
+++ b/cara/apps/calculator/templates/calculator.form.html.j2
@@ -38,7 +38,7 @@
     Room number: <input type="text" name="room_number" placeholder="E.g. 17/R-033" required><br>
     <hr width="80%">
     <b>Room data:</b>
-    <div data-tooltip="The area you wish to study (choose one of the 2 option). Use GIS Portal or measure.">
+    <div data-tooltip="The area you wish to study (choose one of the 2 options). Use GIS Portal or measure.">
         <span class="tooltip_text">?</span>
     </div><br>
     <input type="radio" id="room_type_volume" name="volume_type" value="room_volume" onclick="require_fields(this)" required>
@@ -85,7 +85,7 @@
     <hr width="80%">
 
     <b>Face masks:</b>
-    <div data-tooltip="Masks worn at workstations or removed when a 2m physical distance is respected.">
+    <div data-tooltip="Masks worn at workstations or removed when a 2m physical distance is respected and proper venting is ensured.">
         <span class="tooltip_text">?</span>
     </div><br>
     Are masks worn when occupants are at workstations?