maint: wording tweaks for announcement.

* NEWS: Automake 2.0 may not happen.
* maintainer/maint.mk (announcement): missed newline.
diff --git a/NEWS b/NEWS
index 77347e5..d33323c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-For planned incompatibility in a future Automake 2.0 release,
+For planned incompatibilities in a possible future Automake 2.0 release,
 please see NEWS-2.0 and start following the advice there now.
 
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/maintainer/maint.mk b/maintainer/maint.mk
index 4b8d44a..a8833ae 100644
--- a/maintainer/maint.mk
+++ b/maintainer/maint.mk
@@ -316,7 +316,7 @@
 	  && X \
 	  && X "Please report bugs and problems to" \
 	       "<$(PACKAGE_BUGREPORT)>" \
-	       "(instead of replying to this mail)," \
+	  && X "(instead of replying to this mail)," \
 	  && X "and send general comments and feedback to" \
 	       "<$(PACKAGE_MAILINGLIST)>," \
 	  && X "and patches to" \