change spelling

snippets/reset_password.html

@@ -12,7 +12,7 @@ Sie sind bereits eingeloggt!
       <div class="column is-4">
         <div class="field">
           <p class="control has-icons-left has-icons-right">
-           <input id="email" name="email" class="input is-success is-focused" type="text" placeholder="Email">
+           <input id="email" name="email" class="input is-success is-focused" type="text" placeholder="E-Mail">
            <span class="icon is-small is-left">
              <i class="fa fa-envelope"></i>
            </span>