diff --git a/src/2d/shallow/surge/storm_module.f90 b/src/2d/shallow/surge/storm_module.f90
index 632cbff90..4c0afe0a4 100644
--- a/src/2d/shallow/surge/storm_module.f90
+++ b/src/2d/shallow/surge/storm_module.f90
@@ -162,7 +162,7 @@ subroutine set_storm(data_file)
                 case(2)
                     rotation => S_rotation
                 case default
-                    stop " *** ERROR *** Roation override invalid."
+                    stop " *** ERROR *** Rotation override invalid."
             end select
             read(unit,*)