added comment on usage for CCTK_CoordRange

git-svn-id: http://svn.cactuscode.org/flesh/trunk@1757 17b73243-c579-4c4c-a9d2-2d5706c11dac

1 files changed, 6 insertions, 0 deletions

diff --git a/src/main/Coord.c b/src/main/Coord.c
index 6717d06b..1295583c 100644
--- a/src/main/Coord.c
+++ b/src/main/Coord.c
@@ -610,6 +610,12 @@ void CCTK_FCALL CCTK_FNAME(CCTK_CoordDir)
    @author     Gabrielle Allen
    @desc 
                Supplies the global range of the named coordinate.
+	       
+	       You specify the direction (coorddir=-1;1,2,...) 
+	       or the name (coordname). The name will be used 
+	       if coordir==-1
+	       
+
    @enddesc 
    @calls