Update peps/pep-0782.rst

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

Author: warsaw

peps/pep-0782.rst

@@ -53,7 +53,7 @@ When creating a bytes string and the output size is unknown, one
 strategy is to allocate a short buffer and extend it (to the exact size)
 each time a larger write is needed.
 
-This strategy is inefficient because it requires to enlarge the buffer
+This strategy is inefficient because it requires enlarging the buffer
 multiple times. It's more efficient to overallocate the buffer the
 first time that a larger write is needed. It reduces the number of
 expensive ``realloc()`` operations which can imply a memory copy.