diff --git a/mcstas-comps/contrib/FlatEllipse_finite_mirror.comp b/mcstas-comps/contrib/FlatEllipse_finite_mirror.comp
index 1eff5611c2..685a03b991 100644
--- a/mcstas-comps/contrib/FlatEllipse_finite_mirror.comp
+++ b/mcstas-comps/contrib/FlatEllipse_finite_mirror.comp
@@ -11,7 +11,7 @@
 * NMO (nested mirror optic) modules 
 *
 * %D
-* Simulates NMO (nested mirror optic) modules as concevied by Böni et al., see
+* Simulates NMO (nested mirror optic) modules as concevied by Böni et al., see
 * Christoph Herb et al., Nucl. Instrum. Meth. A 1040, 1671564 (1-18) 2022.
 *
 * The component relies on an updated version of conic.h from MIT.
@@ -30,10 +30,10 @@
 * mirror_sidelength: [m] side length of the individual mirrors
 * doubleReflections: [1] binary value determining whether the mirror backside is reflective
 * rfront_inner_file: [str] file of distances to the optical axis of the individual mirrors
-* R0: [1]                      Low-angle reflectivity
+* R0: [1] Low-angle reflectivity
 * Qc: [AA-1]                   critical scattering vector
 * W: [AA-1]                    width of supermirror cutoff
-* alpha: [AA]                  Slope of reflectivity
+* alpha: [AA] Slope of reflectivity
 * %L
 * Christoph Herb et al., Nucl. Instrum. Meth. A 1040, 1671564 (1-18) 2022.
 * %E
@@ -45,8 +45,8 @@ SETTING PARAMETERS (
     sourceDist = 0,
     LStart=0.6,
     LEnd = 0.6,
-    lStart = 0.,
-    lEnd = 0.,
+    lStart = 0.0,
+    lEnd = 0.0,
     r_0 = 0.02076,
     int nummirror= 9,
     mf = 4,
@@ -90,7 +90,7 @@ double * get_r_at_z0(int number, double z_0, double r_0, double z_extract, doubl
       fprintf(stderr,"NMO comp function get_r_at_z0: malloc() failed. Exit! \n");
       exit(-1);
     }
-    r_zExtracts[0] = r_0;
+	r_zExtracts[0] = r_0;
     //helper variables as in conic_finite_mirror.h and explained in swissneutronics_überlegungen
     double k1;
     double k2;
@@ -249,33 +249,35 @@ FINALLY %{
 
 MCDISPLAY//TODO this does not work as of now does not show the orientation of the flat conics
 %{
-    //Enlarge xy-plane when mcdisplay is ran with --zoom
-	magnify("xy");
+  // PW 20260112 Suppressed. Cals to rConic make no sense since the flat mirrors are NOT conical...
 
-	//Draw xy-axis contour for Conic Surfaces
-	int i;
-    for (i = 0; i < s.num_c; i++) {
-        double step = (s.c[i].ze-s.c[i].zs)/100;
-        double cz;
-	    for (cz = s.c[i].zs+step; cz <= s.c[i].ze; cz+= step) {
-            double rp = rConic(cz-step,s.c[i]);
-            double rc = rConic(cz, s.c[i]);
+  /* //Enlarge xy-plane when mcdisplay is ran with --zoom */
+  /* magnify("xy"); */
 
-            line(0,rp,cz-step,0,rc,cz);
-            line(0,-rp,cz-step,0,-rc,cz);
+  /* 	//Draw xy-axis contour for Conic Surfaces */
+  /* 	int i; */
+  /*   for (i = 0; i < s.num_f; i++) { */
+  /*       double step = (s.f[i].ze-s.f[i].zs)/100; */
+  /*       double cz; */
+  /* 	    for (cz = s.f[i].zs+step; cz <= s.f[i].ze; cz+= step) { */
+  /*           double rp = rConic(cz-step,s.f[i]); */
+  /*           double rc = rConic(cz, s.f[i]); */
 
-            line(rp,0,cz-step,rc,0,cz);
-            line(-rp,0,cz-step,-rc,0,cz);
-        }
-    }
+  /*           line(0,rp,cz-step,0,rc,cz); */
+  /*           line(0,-rp,cz-step,0,-rc,cz); */
 
-    //Draw xy-axis cross hairs for Disks
-    for (i = 0; i < s.num_di; i++) {
-        line(s.di[i].r0, 0, s.di[i].z0, s.di[i].r1, 0, s.di[i].z0);
-        line(-s.di[i].r0, 0, s.di[i].z0, -s.di[i].r1, 0, s.di[i].z0);
-        line(0, s.di[i].r0, s.di[i].z0, 0, s.di[i].r1,s.di[i].z0);
-        line(0, -s.di[i].r0, s.di[i].z0, 0, -s.di[i].r1,s.di[i].z0);
-    }
+  /*           line(rp,0,cz-step,rc,0,cz); */
+  /*           line(-rp,0,cz-step,-rc,0,cz); */
+  /*       } */
+  /*   } */
+
+  /*   //Draw xy-axis cross hairs for Disks */
+  /*   for (i = 0; i < s.num_di; i++) { */
+  /*       line(s.di[i].r0, 0, s.di[i].z0, s.di[i].r1, 0, s.di[i].z0); */
+  /*       line(-s.di[i].r0, 0, s.di[i].z0, -s.di[i].r1, 0, s.di[i].z0); */
+  /*       line(0, s.di[i].r0, s.di[i].z0, 0, s.di[i].r1,s.di[i].z0); */
+  /*       line(0, -s.di[i].r0, s.di[i].z0, 0, -s.di[i].r1,s.di[i].z0); */
+  /*   } */
 
 %}
 
diff --git a/mcstas-comps/examples/Tests_optics/Test_NMO/Test_NMO.instr b/mcstas-comps/examples/Tests_optics/Test_NMO/Test_NMO.instr
index 6931dec492..1dcb92c726 100644
--- a/mcstas-comps/examples/Tests_optics/Test_NMO/Test_NMO.instr
+++ b/mcstas-comps/examples/Tests_optics/Test_NMO/Test_NMO.instr
@@ -7,18 +7,16 @@
 * Origin: TUM
 * %INSTRUMENT_SITE: Tests_optics
 *
-* Implements a test instrument for the component FlatEllipse_finite_mirror,
-* implementing Nested Mirror Optic (NMO) as suggested by B&ouml;ni et al.
+* Implements a test instrument for the component FlatEllipse_finite_mirror.
 *
 * %D
-* <instrument description>
-*
-* Example: <parameters=values>
+* Implements a test instrument for the component FlatEllipse_finite_mirror,
+* implementing Nested Mirror Optic (NMO) as suggested by B&ouml;ni et al.
 *
 * %P
-* det_width:         [m]              Detector width
-* source_width:      [m]              Source width
-* source_height:     [m]              Source height
+* det_width: [m] Detector width
+* source_width: [m] Source width
+* source_height: [m] Source height
 * lam_source:        [AA]             Central source wavelength
 * dL:                [AA]             Source wavelength spread
 * v_divergence:      [deg]            Source vertical divergence