DOC: fix typo

samuelstjean · samuelstjean · commit 8ba141242de0 · 2016-03-24T16:39:32.000+01:00
Saw this while looking at the function.
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -1804,7 +1804,7 @@ def xcorr(self, x, y, normed=True, detrend=mlab.detrend_none,
             maxlags = Nx - 1
 
         if maxlags >= Nx or maxlags < 1:
-            raise ValueError('maglags must be None or strictly '
+            raise ValueError('maxlags must be None or strictly '
                              'positive < %d' % Nx)
 
         lags = np.arange(-maxlags, maxlags + 1)
