diff --git a/ir.g b/ir.g
index ed1f5c0..2a0bbbd 100644
--- a/ir.g
+++ b/ir.g
@@ -205,7 +205,7 @@ ir_insn(ir_parser_ctx *p):
 			DECNUMBER(IR_I32, &count)
 			{if (op == IR_PHI || op == IR_SNAPSHOT) count.i32++;}
 			{if (op == IR_CALL || op == IR_TAILCALL) count.i32+=2;}
-			{if (count.i32 < 0 || count.i32 > 255) yy_error("bad bumber of operands");}
+			{if (count.i32 < 0 || count.i32 > 255) yy_error("bad number of operands");}
 			{ref = ir_emit_N(p->ctx, IR_OPT(op, t), count.i32);}
 			(	"("
 				(	val(p, op, 1, &op1)