DOC: clarify inline comments

tacaswell · timhoffm · web-flow · commit ba42f4099da9 · 2020-06-09T16:48:36.000-04:00
Co-authored-by: Tim Hoffmann &lt;2836374+timhoffm@users.noreply.github.com&gt;
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -1401,7 +1401,8 @@ def __init__(self, name, canvas, x, y, button=None, key=None,
         self.step = step
         self.dblclick = dblclick
 
-        # super-init deferred to the end: callback errors if called before
+        # super-init is deferred to the end because it calls back on
+        # 'axes_enter_event', which requires a fully initialized event.
         LocationEvent.__init__(self, name, canvas, x, y, guiEvent=guiEvent)
 
     def __str__(self):
