DOC: grammatical mistake (pandas-dev#17511)

Author: Giftlin

pandas/plotting/_tools.py

@@ -141,7 +141,7 @@ def _subplots(naxes=None, sharex=False, sharey=False, squeeze=True,
         array of Axis objects are returned as numpy 1-d arrays.
         - for NxM subplots with N>1 and M>1 are returned as a 2d array.
 
-      If False, no squeezing at all is done: the returned axis object is always
+      If False, no squeezing is done: the returned axis object is always
       a 2-d array containing Axis instances, even if it ends up being 1x1.
 
     subplot_kw : dict