Merge release-4-5-patches into release-4-6

[alexxy/gromacs.git] / src / tools / gmx_cluster.c

diff --git a/src/tools/gmx_cluster.c b/src/tools/gmx_cluster.c
index c29e3bda2e9f84d0a3ab40765bb5b0d8b57ae570..997fecdf6a9055cc9dd2653604163120d1fed02f 100644 (file)
--- a/src/tools/gmx_cluster.c
+++ b/src/tools/gmx_cluster.c
@@ -1054,7 +1054,9 @@ int gmx_cluster(int argc,char *argv[])
     "[TT]-cl[tt] writes average (with option [TT]-av[tt]) or central",
     "structure of each cluster or writes numbered files with cluster members",
     "for a selected set of clusters (with option [TT]-wcl[tt], depends on",
-    "[TT]-nst[tt] and [TT]-rmsmin[tt]).[BR]",
+    "[TT]-nst[tt] and [TT]-rmsmin[tt]). The center of a cluster is the",
+    "structure with the smallest average RMSD from all other structures",
+    "of the cluster.[BR]",
   };
   
   FILE         *fp,*log;