[scripts] Reference the created issue

scripts/start_talos_gazebo_16_04.py

@@ -4,7 +4,7 @@
 
 # This file is a temporary fix for the ubuntu version 16.04 of the script start_talos_gazebo.py
 # The path to talos_data cannot be retreive using the rospkg.RosPack() and get_path('talos_data') in 16.04.
-# This should be investigated (see issue #3 "Hardcoded talos_data path for 16.04 in script start_talos_gazebo_16_04.py")
+# This should be investigated (see issue #4 "Hardcoded talos_data path for 16.04 in script start_talos_gazebo_16_04.py")
 
 import os
 import rospy