diff --git a/catalogue.md b/catalogue.md
index 5090000..3e043a3 100644
--- a/catalogue.md
+++ b/catalogue.md
@@ -1,6 +1,6 @@
 # Scenarios sans DIF
 
-|            |   J   |   M   |
+|            |   <td colspan=2>J   |   M   |
 |------------|---|---|---|---|
 |            | 4 | 7 | 2 | 4 |
 | Scenario 1 | X |   | X |   |