wording improvements from Brian Poole;

kill a .Pp before a display;

src/lib/libc/stdlib/malloc.3

@@ -30,7 +30,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: malloc.3,v 1.32 2003/10/16 17:05:04 tedu Exp $
+.\"	$OpenBSD: malloc.3,v 1.33 2003/11/25 12:32:54 jmc Exp $
 .\"
 .Dd August 27, 1996
 .Dt MALLOC 3
@@ -141,7 +141,6 @@ object is returned.
 When using
 .Fn realloc
 one must be careful to avoid the following idiom:
-.Pp
 .Bd -literal -offset indent
 size += 50;
 if ((p = realloc(p, size)) == NULL)
@@ -349,7 +348,7 @@ internal freelist has been stomped on.
 Here is a brief description of the warning messages and what they mean:
 .Bl -tag -width Fl
 .It Dq chunk/page is already free.
-A pointer to a free chunk is attempted freed again.
+There was an attempt to free a chunk that had already been freed.
 .It Dq junk pointer, too high to make sense.
 The pointer doesn't make sense.
 It's above the area of memory that
@@ -422,5 +421,5 @@ Every time the free-list is traversed, all the otherwise unused, and very
 likely paged out, pages get faulted into primary memory, just to see what
 lies after them in the list.
 .Pp
-On systems which are paging, this can make a factor five in difference on the
-page-faults of a process.
+On systems which are paging, this can increase the page-faults
+of a process by a factor of five.