Update CHANGES/9672.bugfix.rst

CHANGES/9672.bugfix.rst

@@ -1,3 +1,3 @@
-Fixed the keep-alive connection pool to by FIFO instead of LIFO -- by :user:`bdraco`.
+Fixed the keep-alive connection pool to be FIFO instead of LIFO -- by :user:`bdraco`.
 
 Keep-alive connections are more likely to be reused before they disconnect.