Improve language for fix of weighted variance segfault

Author: joseortiz3

doc/source/whatsnew/v1.5.0.rst

@@ -599,7 +599,7 @@ Groupby/resample/rolling
 - Bug in :meth:`GroupBy.cummax` with ``int64`` dtype with leading value being the smallest possible int64 (:issue:`46382`)
 - Bug in :meth:`GroupBy.max` with empty groups and ``uint64`` dtype incorrectly raising ``RuntimeError`` (:issue:`46408`)
 - Bug in :meth:`.GroupBy.apply` would fail when ``func`` was a string and args or kwargs were supplied (:issue:`46479`)
-- Bug in :meth:`.Rolling.var` would segfault when calculating weighted variance with large window size (:issue:`46760`)
+- Bug in :meth:`.Rolling.var` would segfault calculating weighted variance when window size was larger than data size (:issue:`46760`)
 
 Reshaping
 ^^^^^^^^^