diff --git a/NEWS b/NEWS
index e2fb6cf7..01bc01f5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,7 @@
 procps-3.2.7 --> procps-3.2.8
 
 ps: document SCHED_BATCH and add "see also" for stime
+ps: man page less ambiguous
 
 procps-3.2.6 --> procps-3.2.7
 
diff --git a/ps/ps.1 b/ps/ps.1
index 1d68aedf..c0180dd3 100644
--- a/ps/ps.1
+++ b/ps/ps.1
@@ -176,7 +176,7 @@ Select all processes associated with this terminal.  Identical to the
 \fBt\fR option without any argument.
 
 .opt \-a
-Select all processes except session leaders (see \fIgetsid\fR(2)) and
+Select all processes except both session leaders (see \fIgetsid\fR(2)) and
 processes not associated with a terminal.
 
 .opt a