diff --git a/playbooks/hello.yml b/playbooks/hello.yml
index 9b94719..e0695d9 100644
--- a/playbooks/hello.yml
+++ b/playbooks/hello.yml
@@ -1,14 +1,16 @@
 
 
-
-
-- name: Debug context v1
+- name: Hello World
   hosts: localhost
   gather_facts: no
 
   pre_tasks:
-
-
+    - name: Print debug message v1
+      debug:
+        msg: Hello, world!
+    - name: Show groups
+      debug:
+        var: groups
     - name: get debug infos
       shell:
         cmd: |-
@@ -18,23 +20,6 @@
     - name: Show collections
       debug:
         var: output1
-
-    - name: Show groups
-      debug:
-        var: groups
-
-
-
-
-- name: Hello World 
-  hosts: localhost
-  gather_facts: no
-
-  pre_tasks:
-    - name: Print debug message v1
-      debug:
-        msg: Hello, world!
-
     - name: get debug infos
       shell:
         cmd: |-
@@ -50,29 +35,19 @@
 
 
 - name: Configure Web 
-  hosts: web
+  hosts: role_web
   gather_facts: no
-
   tasks:
     - name: test1
       import_role:
         name: activia.infra_common.configure_web
 
 - name: Configure DB 
-  hosts: db
+  hosts: role_db
   gather_facts: no
-
   tasks:
     - name: test2
       import_role:
         name: activia.infra_common.configure_db
 
-  #     option: 1
-
-  # roles:
-  #   - role: roles/configure-web
-  #   # - role: roles/configure-db
-
-
-