diff --git a/mars.txt b/mars.txt
index d7af5ae89012e4b622bd6543229b02df210e251c..c5234f6d1b373c28a7bbb36d83550efa7b176ef1 100644
--- a/mars.txt
+++ b/mars.txt
@@ -3,3 +3,4 @@ two moon probematic for wolfmen
 But the mummy will appreciate the lack of humidity
 Generating solar energy is less effective on mars
 Mummy will appreciate sand storms on Mars
+We have to bring our own oxygen