Fix two recently introduced grammar errors in mmgr/README.
authorAndres Freund <andres@anarazel.de>
Sat, 4 Mar 2017 01:54:46 +0000 (17:54 -0800)
committerAndres Freund <andres@anarazel.de>
Sat, 4 Mar 2017 01:57:30 +0000 (17:57 -0800)
commit1309375e706440e1e2fe2a5bb74effbc639261ef
tree99cd22d18524ef2689d03c4bf6da729f197b8324
parent2357c12b4988b4d30c1e2e813e438424546eaa88
Fix two recently introduced grammar errors in mmgr/README.

These were introduced by me in f4e2d50c.

Reported-By: Tomas Vondra
Discussion: https://postgr.es/m/11adca69-be28-44bc-a801-64e6d53851e3@2ndquadrant.com
src/backend/utils/mmgr/README