update: h3 used instead of a class

src/views/admin/page-admin-circles.pug

@@ -30,7 +30,7 @@
 
       div.admin-header
 
-        div.admin-header__title Canaux
+        h3 Canaux
 
         sib-link(
           class='button text-bold text-uppercase reversed button-primary bordered with-icon icon-plus'

src/views/admin/page-admin-projects.pug

@@ -15,7 +15,7 @@
 
     div.content-box__info
       div.admin-header
-        div.admin-header__title Projets
+        h3 Projets
         sib-link(
           class='button text-bold text-uppercase reversed button-primary bordered with-icon icon-plus'
           next='admin-project-create'

src/views/admin/page-admin-users.pug

@@ -20,7 +20,7 @@
   #admin-users-list(hidden)
     div.content-box__info
       div.admin-header
-        div.admin-header__title Utilisateurs
+        h3 Utilisateurs
         sib-ac-checker(data-src=`${endpoints.users || endpoints.post.users}`, permission='acl:Append')
           sib-link(
             class='button text-bold text-uppercase reversed button-primary bordered with-icon icon-plus'