compare diff amp on it's own with full comparator

comparator/bsim4v5.out

diff --git a/comparator/bsim4v5.out b/comparator/bsim4v5.out
index 647a1ae..982c17f 100644
--- a/comparator/bsim4v5.out
+++ b/comparator/bsim4v5.out
@@ -2,4 +2,4 @@
 Developed by Xuemei (Jane) Xi, Mohan Dunga, Prof. Ali Niknejad and Prof. Chenming Hu in 2003.
 
 ++++++++++ BSIM4v5 PARAMETER CHECKING BELOW ++++++++++
-Model = xcomp.x0:sky130_fd_pr__nfet_01v8__model.7
+Model = xdif.x0:sky130_fd_pr__nfet_01v8__model.7

comparator/simulation.spice

diff --git a/comparator/simulation.spice b/comparator/simulation.spice
index 5ef3087..a02066d 100644
--- a/comparator/simulation.spice
+++ b/comparator/simulation.spice
@@ -9,7 +9,7 @@
 * instantiate the comparator
 *Xpre VP VN VPAMP VNAMP VI BIASN VGND VPWR comparator-preamp
 *Xdec VPAMP VNAMP VOP VON VGND VPWR comparator-decision
-*Xdif VOP VON VOUT VGND VDD comparator-diffamp
+Xdif VP VN VOUTdiff VGND VDD1v8 comparator-diffamp
 
 Xcomp VP VN BIASN VOUT VGND VDD3v3 VDD1v8 comparator-whole
 
@@ -36,7 +36,7 @@
 run
 set color0 = white
 set color1 = black
-plot VP VN VOUT VDD3v3 
+plot VP VN VOUT VOUTdiff VDD3v3 
 *plot VPAMP VNAMP VI
 *plot VOP VON
 plot i(Vdd3v3) i(Vdd1v8)