diff --git a/content.yml b/content.yml
index 7b942af..4c01ca8 100644
--- a/content.yml
+++ b/content.yml
@@ -532,7 +532,7 @@ home:
           traveling instead of flying based on the duration of the trip.
           It is thus worth relating the minimum distance for flying to 
           a travel time duration by train. In Europe, from a shallow survey of trip 
-	      durations between major cities, it appears that the average speed 
+          durations between major cities, it appears that the average speed 
           of trains is about 100 km/hour. This means that on average it takes about 5 
           hours to travel by train between two cities with a 
           great circle distance of 500 km (including connexions, 
--
libgit2 0.21.2