diff --git a/tutorial.html b/tutorial.html
index aacbb6d..43aa6b8 100644
--- a/tutorial.html
+++ b/tutorial.html
@@ -86,7 +86,7 @@
     <button type="button" class="btn btn-secondary btn-lg btn-block">Block level button</button>
 
     <div class="card" style="width: 18rem;">
-        <img src="https://source.unsplash.com/400x400/?code,technology" class="card-img-top" alt="...">
+        <img src="https://source.unsplash.com/400x400/?code,technology" class="card-img-top" alt="Image can't be load ! check your internet connection">
         <div class="card-body">
             <h5 class="card-title">Card title</h5>
             <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's
@@ -113,13 +113,13 @@ <h5 class="card-title">Special title treatment</h5>
       <div id="carouselExampleControls" class="carousel slide carousel-fade" data-ride="carousel">
         <div class="carousel-inner">
           <div class="carousel-item active">
-            <img src="https://source.unsplash.com/1400x400/?code,technology" class="d-block w-100" alt="...">
+            <img src="https://source.unsplash.com/1400x400/?code,technology" class="d-block w-100" alt="Image can't be load ! check your internet connection">
           </div>
           <div class="carousel-item">
-            <img src="https://source.unsplash.com/1400x400/?code,technology,program" class="d-block w-100" alt="...">
+            <img src="https://source.unsplash.com/1400x400/?code,technology,program" class="d-block w-100" alt="Image can't be load ! check your internet connection">
           </div>
           <div class="carousel-item">
-            <img src="https://source.unsplash.com/1400x400/?code,coding" class="d-block w-100" alt="...">
+            <img src="https://source.unsplash.com/1400x400/?code,coding" class="d-block w-100" alt="Image can't be load ! check your internet connection">
           </div>
         </div>
         <a class="carousel-control-prev" href="#carouselExampleControls" role="button" data-slide="prev">
@@ -171,4 +171,4 @@ <h5 class="card-title">Special title treatment</h5>
         crossorigin="anonymous"></script>
 </body>
 
-</html>
\ No newline at end of file
+</html>