Align docker Glances.conf with devel one

Author: nicolargo

docker-compose/glances.conf

@@ -359,10 +359,8 @@ nice_warning=-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2
 #nice_critical=15,16,17,18,19
 #
 # Define the list of processes to export using:
-# a comma-separated list of regular expression (apply on name and cmdline)
-#export=.*firefox.*
-# or an uniq key:value filter
-#export=pid:1234
+# a comma-separated list of Glances filter
+#export=.*firefox.*,pid:1234
 
 [ports]
 disable=False