diff --git a/addons/web_tour/static/src/js/tour_service.js b/addons/web_tour/static/src/js/tour_service.js
index b619bb42430..a055c987396 100644
--- a/addons/web_tour/static/src/js/tour_service.js
+++ b/addons/web_tour/static/src/js/tour_service.js
@@ -53,6 +53,10 @@ return session.is_bound.then(function () {
                     return false;
                 }
 
+                if (mutation.type === 'characterData') {
+                    return true;
+                }
+
                 if (mutation.type === 'childList') {
                     // If it is a modification to the DOM hierarchy, only
                     // consider the addition/removal of tracked nodes.
@@ -130,7 +134,7 @@ return session.is_bound.then(function () {
         const observer = new MutationObserver(mutations => {
             clearTimeout(mutationTimer);
             currentMutations.push(...mutations);
-            mutationTimer = setTimeout(() => _processMutations(), 500);
+            mutationTimer = setTimeout(() => _processMutations(), 750);
         });
 
         // Now that the observer is configured, we have to start it when needed.
@@ -144,6 +148,7 @@ return session.is_bound.then(function () {
                                 childList: true,
                                 subtree: true,
                                 attributeOldValue: true,
+                                characterData: true,
                             });
                         }
                         resolve();