diff --git a/python/BioSimSpace/Process/_gromacs.py b/python/BioSimSpace/Process/_gromacs.py
index bee05fb6e..47163264b 100644
--- a/python/BioSimSpace/Process/_gromacs.py
+++ b/python/BioSimSpace/Process/_gromacs.py
@@ -89,7 +89,9 @@ def __init__(self, system, protocol, exe=None, name="gromacs",
                own naming scheme, e.g. { "charge" : "my-charge" }
 
            ignore_warnings : bool
-               Whether to ignore warnings when generating the binary run file.
+               Whether to ignore warnings when generating the binary run file
+               with 'gmx grompp'. By default, these warnings are elevated to
+               errors and will halt the program.
 
            show_errors : bool
                Whether to show warning/error messages when generating the binary