Update doc/conferences_of_interest.md

Co-authored-by: Marco Barilari <38101692+marcobarilari@users.noreply.github.com>

Author: fcerpe

doc/conferences_of_interest.md

@@ -17,5 +17,5 @@ Large US-based conference on all kinds of vision.
 ### IMRF
 International Multisensory Research Forum 
 
-#### ECVP
+### ECVP
 European Conference on Visual Perception