[FIX] HTML and Error message.

gargantext/views/pages/forms.py

@@ -51,7 +51,7 @@ class AuthenticationForm(forms.Form):
                                            password=password)
             if self.user_cache is None:
                 raise forms.ValidationError(
-                    'Invalid data'
+                    'Invalid username or password'
                 )
             else:
                 self.confirm_login_allowed(self.user_cache)

templates/pages/auth/login.html

@@ -35,7 +35,7 @@
                                     <fieldset class="grp-module grp-module-login">
                                         <h2>
                                             <span class="grp-current-page">Login</span>
-                                        </h2a>
+                                        </h2>
                                         <div class="grp-module">
                                             {% block main %}
                                             <div id="login">