diff --git a/Overlap/config_graph.F90 b/Overlap/config_graph.F90
index 158f6fcdc25d337a24ea1f34ca053339fcc5898d..556c539b9e286e123ce058097765e5f863dbf3dc 100644
--- a/Overlap/config_graph.F90
+++ b/Overlap/config_graph.F90
@@ -13,7 +13,9 @@ module config_graph_m
   ! the extremum of a given eddy.
 
   logical, protected:: cyclone = .true.
-  real, protected:: min_inters_speed = 0.5 ! minimum intersection between contours
+
+  real, protected:: min_inters_speed = 0.5
+  ! minimum intersection between maximum-speed contours
 
 contains