changed placeholder

Author: Alexandr Musikhin

404.html

@@ -38,7 +38,7 @@
             <form onsubmit="isClick(); return false;" class="navbar-nav form-group row mx-auto mx-sm-0 ml-md-auto">
                 <span class="navbar-text col-form-label">github.com/</span>
                 <div class="col">
-                    <input id="search_first" class="form-control" type="text" placeholder="Search" aria-label="Search">
+                    <input id="search_first" class="form-control" type="text" placeholder="username">
                 </div>
                 <button class="btn btn-outline-primary" type="button" onclick="isClick();">Search</button>
             </form>
@@ -66,7 +66,7 @@
                 <form onsubmit="isClick(); return false;" class="form-group row">
                     <span class="col-form-label">github.com/</span>
                     <div class="col">
-                        <input id="search_second" class="form-control" type="text" placeholder="Search" aria-label="Search">
+                        <input id="search_second" class="form-control" type="text" placeholder="username">
                     </div>
                     <button class="btn btn-outline-primary" type="button" onclick="isClick();">Search</button>
                 </form>