Apply suggestions from code review

Co-authored-by: David Stansby <dstansby@gmail.com>

Author: kevinyamauchi

src/napari_matplotlib/base.py

@@ -116,7 +116,7 @@ def draw(self) -> None:
         """
 
     def _on_update_layers(self) -> None:
-        """This function is called when self.layers is updated via self.update_layer()
+        """This function is called when self.layers is updated via self.update_layers()
 
         This is a no-op, and is intended for derived classes to override.
         """

src/napari_matplotlib/scatter.py

@@ -75,16 +75,16 @@ def _get_data(self) -> Tuple[List[np.ndarray], str, str]:
         data : np.ndarray
             The list containing the scatter plot data.
         x_axis_name : str
-            The title to display on the x axis
+            The label to display on the x axis
         y_axis_name: str
-            The title to display on the y axis
+            The label to display on the y axis
         """
         raise NotImplementedError
 
 
 class ScatterWidget(ScatterBaseWidget):
     """
-    Widget to display scatter plot of two similarly shaped layers.
+    Widget to display scatter plot of two similarly shaped image layers.
 
     If there are more than 500 data points, a 2D histogram is displayed instead
     of a scatter plot, to avoid too many scatter points.