Index: trunk/psModules/src/detrend/pmBias.c
===================================================================
--- trunk/psModules/src/detrend/pmBias.c	(revision 10574)
+++ trunk/psModules/src/detrend/pmBias.c	(revision 10623)
@@ -373,5 +373,5 @@
             case PM_FIT_POLY_CHEBY: {
                     psString comment = NULL;    // Comment to add
-                    psStringAppend(&comment, "Overscan fit (chi^2: %.2f):", chi2);
+                    psStringAppend(&comment, "Overscan fit (chi2: %.2f): ", chi2);
                     psPolynomial1D *poly = overscanOpts->poly; // The polynomial
                     for (int i = 0; i < poly->nX; i++) {
@@ -385,5 +385,5 @@
                     psSpline1D *spline = overscanOpts->spline; // The spline
                     for (int i = 0; i < spline->n; i++) {
-                        psStringAppend(&comment, "Overscan fit (chi^2: %.2f) %d :", chi2, i);
+                        psStringAppend(&comment, "Overscan fit (chi2: %.2f) %d:", chi2, i);
                         psPolynomial1D *poly = spline->spline[i]; // i-th polynomial
                         for (int j = 0; j < poly->nX; j++) {