Fix grammar errors

doc/drafts/README

-Internet-Drafts are working documents of the Internet Engineering Task
-Force (IETF), its areas, and its working groups.  Note that other groups
-may also distribute working documents as Internet-Drafts.
+Internet-Drafts are working documents of the Internet Engineering
+Task Force (IETF), its areas, and its working groups.  Note that
+other groups may also distribute working documents as Internet-Drafts.
 
-Internet-Drafts are draft documents valid for a maximum of six months
-and may be updated, replaced, or obsoleted by other documents at any
-time.  It is inappropriate to use Internet-Drafts as reference material
-or to cite them other than as "work in progress."
+Internet-Drafts are draft documents valid for a maximum of six
+months and may be updated, replaced, or obsoleted by other documents
+at any time.  It is inappropriate to use Internet-Drafts as reference
+material or to cite them other than as "work in progress."
 
 OpenLDAP maintains copies of drafts for which we find interesting.
-It existance does not necessarily imply any support or any plans to
-support for the I-D.  The I-Ds found in this directory may be stale,
-expired, or otherwise out of date.
+Existance here does not necessarily imply any support nor any plans
+to support for the I-D.  The I-Ds found in this directory may be
+stale, expired, or otherwise out of date.
 
 Please refer to http://www.ietf.org/ for latest revisions (and
 status).