Add missing capital

Co-authored-by: Sam Cunliffe <[email protected]>

Author: dstansby

src/napari_matplotlib/base.py

@@ -21,7 +21,7 @@
 
 class NapariMPLWidget(QWidget):
     """
-    Base Matplotlib canvas. widget that can be embedded as a napari widget.
+    Base Matplotlib canvas. Widget that can be embedded as a napari widget.
 
     This creates a single FigureCanvas, which contains a single Figure.