tweak message strings

diff --git a/src/od.c b/src/od.c
index cf30b76..ff78795 100644 (file)
--- a/src/od.c
+++ b/src/od.c
@@ -1847,14 +1847,14 @@ the maximum\nrepresentable value of type `long'"), optarg);
          else
            {
              error (0, 0,
-           _("in compatibility mode the last 2 arguments must be offsets"));
+           _("in compatibility mode, the last two arguments must be offsets"));
              usage (1);
            }
        }
       else if (n_files > 3)
        {
          error (0, 0,
-          _("in compatibility mode there may be no more than 3 arguments"));
+                _("compatibility mode supports no more than three arguments"));
          usage (1);
        }