diff --git a/radicale/web/internal_data/index.html b/radicale/web/internal_data/index.html
index fce880d30..c0569e5ce 100644
--- a/radicale/web/internal_data/index.html
+++ b/radicale/web/internal_data/index.html
@@ -10,7 +10,7 @@
     <style>.hidden {display: none !important;}</style>
     <script src="fn.js"></script>
   </head>
-  
+
   <body>
     <nav id="logoutview" class="hidden">
       <span data-name="user" style="word-wrap:break-word;"></span>
@@ -24,7 +24,7 @@ <h2>Loading</h2>
         <p>Please wait...</p>
         <noscript>JavaScript is required</noscript>
       </section>
-	  
+
       <section id="loginscene" class="container hidden">
         <div class="logocontainer">
           <img src="css/logo.svg" alt="Radicale">
@@ -38,7 +38,7 @@ <h1>Sign in</h1>
           <span class="error" data-name="error"></span>
         </form>
       </section>
-	  
+
       <section id="collectionsscene" class="hidden">
         <div class="fabcontainer">
           <a href="" class="green" data-name="new" title="Create a new addressbook or calendar">
@@ -83,7 +83,7 @@ <h3 class="title" data-name="title">Title</h3>
           </ul>
         </article>
       </section>
-	  
+
       <section id="editcollectionscene" class="container hidden">
         <h1>Edit Collection</h1>
         <p>Editing collection <span class="title" data-name="title">title</span>
@@ -115,7 +115,7 @@ <h1>Edit Collection</h1>
           <button type="button" class="red" data-name="cancel">Cancel</button>
         </form>
       </section>
-	  
+
       <section id="createcollectionscene" class="container hidden">
         <h1>Create a new Collection</h1>
         <p>Enter the details of your new collection.</p>
@@ -146,7 +146,7 @@ <h1>Create a new Collection</h1>
           <button type="button" class="red" data-name="cancel">Cancel</button>
         </form>
       </section>
-	  
+
       <section id="uploadcollectionscene" class="container hidden">
         <h1>Upload Collection</h1>
         <ul>
@@ -161,7 +161,7 @@ <h1>Upload Collection</h1>
           <button type="button" class="red" data-name="close">Close</button>
         </form>
       </section>
-	  
+
       <section id="deletecollectionscene" class="container hidden">
         <h1>Delete Collection</h1>
         <p>Do you want to delete the collection <span class="title" data-name="title">title</span>? </p>
@@ -173,7 +173,7 @@ <h1>Delete Collection</h1>
         <span class="error hidden" data-name="error"></span>
         <br>
       </section>
-	  
+
     </main>
   </body>
-</html>
\ No newline at end of file
+</html>
