adding ref to annotation tutorial

choldgraf · choldgraf · commit 4ed0106c7e14 · 2017-03-14T11:09:34.000-07:00
diff --git a/examples/text_labels_and_annotations/annotation_demo.py b/examples/text_labels_and_annotations/annotation_demo.py
@@ -5,7 +5,9 @@
 
 The following examples show how it is possible to annotate plots in matplotlib.
 This includes highlighting specific points of interest and using various
-visual tools to call attention to this point.
+visual tools to call attention to this point. For a more complete and in-depth
+description of the annotation and text tools in :ref:`matplotlib`, see the
+`tutorial on annotation <http://matplotlib.org/users/annotations.html>`_.
 """
 
 import matplotlib.pyplot as plt
