Merge pull request #6961 from qingpeng/patch-1

tacaswell · tacaswell · commit f6707515c707 · 2016-08-20T16:55:54.000-04:00
DOC: remove extra "a"
diff --git a/doc/faq/usage_faq.rst b/doc/faq/usage_faq.rst
@@ -302,7 +302,7 @@ pygtk, wxpython, tkinter, qt4, or macosx; also referred to as
 "interactive backends") and hardcopy backends to make image files
 (PNG, SVG, PDF, PS; also referred to as "non-interactive backends").
 
-There are a four ways to configure your backend. If they conflict each other,
+There are four ways to configure your backend. If they conflict each other,
 the method mentioned last in the following list will be used, e.g. calling
 :func:`~matplotlib.use()` will override the setting in your ``matplotlibrc``.
 
