corrects-spelling-mistake-in-merging.rst (#58874)

Changed 'mactches' to 'matches'

Author: jamesyuill

doc/source/user_guide/merging.rst

@@ -974,7 +974,7 @@ with optional filling of missing data with ``fill_method``.
 :func:`merge_asof`
 ---------------------
 
-:func:`merge_asof` is similar to an ordered left-join except that mactches are on the
+:func:`merge_asof` is similar to an ordered left-join except that matches are on the
 nearest key rather than equal keys. For each row in the ``left`` :class:`DataFrame`,
 the last row in the ``right`` :class:`DataFrame` are selected where the ``on`` key is less
 than the left's key. Both :class:`DataFrame` must be sorted by the key.