Update release steps.

src/tools/RELEASE_CHANGES

@@ -2,11 +2,11 @@
     configure.in and configure
     bump interface version numbers
       o src/interfaces/*/Makefile
-      o src/interfaces/libpq/libpq.rc
-      o src/include/pg_config.h.win32
+      o src/interfaces/libpq/libpq.rc (update for minor release)
+      o src/include/pg_config.h.win32 (update for minor release)
 
 * Release notes
-    update HISTORY and later doc/src/sgml/release.sgml 
+    update doc/src/sgml/release.sgml and generate HISTORY
 
 * Documentation
     document all new features
@@ -28,8 +28,8 @@
 
 ---------------------------------------------------------------------------
 
-Major Version
-=============
+Major Version Library Numbers
+=============================
 
 The major version number should be updated whenever the source of the
 library changes to make it binary incompatible. Such changes include,