Merge branch 'release-5-0'

[alexxy/gromacs.git] / src / gromacs / gmxpreprocess / readir.c

diff --git a/src/gromacs/gmxpreprocess/readir.c b/src/gromacs/gmxpreprocess/readir.c
index 2510750b83eb6efd7a520c46ff033a495eba12c4..ac169f0203d2786456b4b1ec60c4e1b811bcf640 100644 (file)
--- a/src/gromacs/gmxpreprocess/readir.c
+++ b/src/gromacs/gmxpreprocess/readir.c
@@ -912,7 +912,7 @@ void check_ir(const char *mdparin, t_inputrec *ir, t_gromppopts *opts,
             CHECK(ir->bPeriodicMols);
             if (ir->ePBC != epbcNONE)
             {
-                warning(wi, "Removing the rotation around the center of mass in a periodic system (this is not a problem when you have only one molecule).");
+                warning(wi, "Removing the rotation around the center of mass in a periodic system, this can lead to artifacts. Only use this on a single (cluster of) molecules. This cluster should not cross periodic boundaries.");
             }
         }
     }