diff --git a/mach/m68k2/as/mach5.c b/mach/m68k2/as/mach5.c
index 63c5450fd..dbe0e6c35 100644
--- a/mach/m68k2/as/mach5.c
+++ b/mach/m68k2/as/mach5.c
@@ -38,7 +38,7 @@ ea_1(sz, bits)
 		checksize(sz, 2|4);
 	bits &= ~flag;
 	if (bits)
-		serror("bad addressing categorie");
+		serror("bad addressing category");
 	if (flag & FITW)
 		Xfit (fitw(exp_1.val) ||
 		      (mrg_1 == 074 && fit16(exp_1.val))