update xschem
diff --git a/xschem/comparator_lvs.spice b/xschem/comparator_lvs.spice
index b4b9abd..f5a2b3e 100644
--- a/xschem/comparator_lvs.spice
+++ b/xschem/comparator_lvs.spice
@@ -1,13 +1,13 @@
 ** sch_path: /home/krishna/Documents/Comparator_MPW6/xschem/comparator.sch
-**.subckt comparator VDD GND Vp Vn CLK Outp Outn CLKBAR
-*.iopin VDD
-*.iopin GND
-*.ipin Vp
-*.ipin Vn
-*.iopin CLK
-*.opin Outp
-*.opin Outn
-*.iopin CLKBAR
+.subckt comparator VDD GND Vp Vn CLK Outp Outn CLKBAR
+.iopin VDD
+.iopin GND
+.ipin Vp
+.ipin Vn
+.iopin CLK
+.opin Outp
+.opin Outn
+.iopin CLKBAR
 XM1 fn Vn net1 GND sky130_fd_pr__nfet_01v8 L=0.15 W=4 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
 + pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
 + sa=0 sb=0 sd=0 mult=1 m=1
@@ -80,7 +80,6 @@
 XM56 net3 fn net2 GND sky130_fd_pr__nfet_01v8 L=0.15 W=3 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
 + pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
 + sa=0 sb=0 sd=0 mult=1 m=1
-**.ends
-.GLOBAL VDD
-.GLOBAL GND
+.ends
+
 .end