diff --git a/pipelines/coaddQualityCore.yaml b/pipelines/coaddQualityCore.yaml
index d88f43a3d..edcde2652 100644
--- a/pipelines/coaddQualityCore.yaml
+++ b/pipelines/coaddQualityCore.yaml
@@ -63,7 +63,7 @@ tasks:
       atools.sersicIndexVsSersicMag: ColumnMagnitudeScatterPlot
       atools.sersicIndexVsSersicMag.mag_x: "sersic_err"
       atools.sersicIndexVsSersicMag.key_y: "sersic_index"
-      atools.sersicIndexVsSersicMag.produce.plot.yAxisLabel: "Sersic index"
+      atools.sersicIndexVsSersicMag.produce.plot.yAxisLabel: "Sérsic index"
       atools.sersicIndexVsSersicMag.produce.plot.xLims: (17, 29)
       atools.sersicIndexVsSersicMag.produce.plot.yLims: (0.4, 6.1)
       atools.sersicIndexVsSersicMag.produce.plot.legendLocation: "upper right"
diff --git a/python/lsst/analysis/tools/actions/plot/scatterplotWithTwoHists.py b/python/lsst/analysis/tools/actions/plot/scatterplotWithTwoHists.py
index 70b09291c..3c6eaa0f7 100644
--- a/python/lsst/analysis/tools/actions/plot/scatterplotWithTwoHists.py
+++ b/python/lsst/analysis/tools/actions/plot/scatterplotWithTwoHists.py
@@ -462,6 +462,11 @@ def _scatterPlot(
         highStats: _StatsContainer
         lowStats: _StatsContainer
 
+        magLabel = self.magLabel
+        kwargs_in_label = {k: v for k, v in kwargs.items() if f"{{{k}}}" in magLabel}
+        if kwargs_in_label:
+            magLabel = magLabel.format(**kwargs_in_label)
+
         for name_datatype in self.plotTypes:
             config_datatype = self._datatypes[name_datatype]
             highArgs = {}
@@ -543,7 +548,7 @@ def _scatterPlot(
             sigMadYs = nanSigmaMad(ys)
             # plot lone median point if there's not enough data to measure more
             n_xs = np.count_nonzero(np.isfinite(xs))
-            if n_xs <= 1 or not (np.isfinite(sigMadYs) and sigMadYs > 0.0):
+            if n_xs <= 1 or not (np.isfinite(sigMadYs) and sigMadYs >= 0.0):
                 continue
             elif n_xs < min_n_xs_for_stats:
                 xs = [nanMedian(xs)]
@@ -677,9 +682,7 @@ def _scatterPlot(
                     # Add some stats text
                     xPos = 0.65 - 0.4 * j
                     bbox = dict(edgecolor=color, linestyle="--", facecolor="none")
-                    statText = (
-                        f"S/N > {highThresh:0.4g} Stats ({self.magLabel} < {highStats.approxMag:0.4g})\n"
-                    )
+                    statText = f"S/N > {highThresh:0.4g} Stats ({magLabel} < {highStats.approxMag:0.4g})\n"
                     highStatsStr = (
                         f"Median: {highStats.median:0.4g}    "
                         + r"$\sigma_{MAD}$: "
@@ -691,7 +694,7 @@ def _scatterPlot(
                     fig.text(xPos, 0.090, statText, bbox=bbox, transform=fig.transFigure, fontsize=6)
 
                     bbox = dict(edgecolor=color, linestyle=":", facecolor="none")
-                    statText = f"S/N > {lowThresh:0.4g} Stats ({self.magLabel} < {lowStats.approxMag:0.4g})\n"
+                    statText = f"S/N > {lowThresh:0.4g} Stats ({magLabel} < {lowStats.approxMag:0.4g})\n"
                     lowStatsStr = (
                         f"Median: {lowStats.median:0.4g}    "
                         + r"$\sigma_{MAD}$: "