diff --git a/data/actionsmap/yunohost.yml b/data/actionsmap/yunohost.yml
index 91b6c2c7..1de6c729 100644
--- a/data/actionsmap/yunohost.yml
+++ b/data/actionsmap/yunohost.yml
@@ -1608,7 +1608,7 @@ journals:
 
         ### journals_display()
         display:
-            action_help: List journals
+            action_help: Display a journal content
             api: GET /journals/<file_name>
             arguments:
                 file_name:
diff --git a/src/yunohost/journals.py b/src/yunohost/journals.py
index e01f364a..5677d77e 100644
--- a/src/yunohost/journals.py
+++ b/src/yunohost/journals.py
@@ -74,6 +74,13 @@ def journals_list(limit=None):
 
 
 def journals_display(file_name):
+    """
+    Display a journal content
+
+    Argument:
+        file_name
+    """
+
     if not os.path.exists(JOURNALS_PATH):
         # TODO raise exception
         return {}