diff --git a/src/fr/devinsy/calgen/app/Calgen.java b/src/fr/devinsy/calgen/app/Calgen.java
index 20453a8..149ad50 100644
--- a/src/fr/devinsy/calgen/app/Calgen.java
+++ b/src/fr/devinsy/calgen/app/Calgen.java
@@ -107,6 +107,17 @@ public final class Calgen
                 System.out.println(line);
             }
 
+            //
+            if (current.getDayOfMonth() == 1)
+            {
+                String dash = StringUtils.repeat("-", 25);
+                String monthName = current.getMonth().getDisplayName(TextStyle.FULL, Locale.FRENCH);
+                monthName = StringUtils.capitalize(monthName);
+                String monthLine = String.format("%s %s %s", dash, monthName, dash);
+                System.out.println(monthLine);
+            }
+
+            //
             current = current.minusDays(1);
         }