diff --git a/Simulating-events-from-a-video.md b/Simulating-events-from-a-video.md
index 907eadd..1d7a85d 100644
--- a/Simulating-events-from-a-video.md
+++ b/Simulating-events-from-a-video.md
@@ -2,7 +2,7 @@ In this tutorial, we will show how to use ESIM to simulate events from a given v
 
 ### WARNING
 
-Simulating events from a video will not work for any video. The input video needs to have a sufficiently high framerate: the pixel displacement between successive images needs to be small (i.e. a few pixels at most).
+Simulating events from a video **will not work for any video**. The input video needs to have a sufficiently high framerate: the pixel displacement between successive images needs to be small (i.e. a few pixels at most).
 Otherwise, the simulated events will be of poor quality.
 
 ### Overview