diff --git a/projects/mips_sys/ise101/mips_sys/Makefile b/projects/mips_sys/ise101/mips_sys/Makefile
index c43fd30..c8c3864 100644
--- a/projects/mips_sys/ise101/mips_sys/Makefile
+++ b/projects/mips_sys/ise101/mips_sys/Makefile
@@ -8,24 +8,28 @@ DEVICE := "xc4vsx35-ff668-10"
 DIRS := ./xst/tmp
 
 netlist: $(PRJ).ngc
-translate: $(PRJ).ngd	
+translate: $(PRJ).ngd
 map: $(PRJ)_map.ncd
 par: $(PRJ).ncd
 bitfile: $(PRJ).bit
 
-
+# Netlist
 $(PRJ).ngc: $(DIRS) $(PREQ)
 	xst -intstyle xflow -ifn $(PRJ).xst
 
-$(PRJ).ngd: netlist ./ucf/$(PRJ).ucf
+# Translate
+$(PRJ).ngd: $(PRJ).ngc ./ucf/$(PRJ).ucf
 	ngdbuild -p $(DEVICE) -sd "../../../../lib/CPUs/MIPS/syn/ise101" -dd _ngo -nt timestamp -uc ./ucf/$(PRJ).ucf $(PRJ).ngc $(PRJ).ngd
 
-$(PRJ)_map.ncd: translate
+# Map
+$(PRJ)_map.ncd: $(PRJ).ngd
 	map -intstyle xflow -p $(DEVICE) -timing -logic_opt on -ol high -xe n -t 1 -register_duplication -global_opt on	-retiming on -equivalent_register_removal on -cm area -pr b -k 4 -power off -o $(PRJ)_map.ncd $(PRJ).ngd $(PRJ).pcf
 
-$(PRJ).ncd: map
+# PAR
+$(PRJ).ncd: $(PRJ)_map.ncd
 	par -w -intstyle xflow -ol high -xe n -t 1 $(PRJ)_map.ncd $(PRJ).ncd $(PRJ).pcf
 
+# Bitgen
 $(PRJ).bit: par $(PRJ).ut
 	bitgen -intstyle xflow -f $(PRJ).ut