1 files changed, 13 insertions, 6 deletions
diff --git a/doc/gawk.1 b/doc/gawk.1
index 83a91094..ff3c0a20 100644
--- a/doc/gawk.1
+++ b/doc/gawk.1
@@ -1082,13 +1082,20 @@ system call.
 \fBPROCINFO["sorted_in"]\fP
 If this element exists in
 .BR PROCINFO ,
-.IR "no matter what its value" ,
-then
-.I gawk
-will cause array
+then its value controls the order in which array elements
+are traversed in
 .B for
-loops
-to traverse the array indices in sorted order.
+loops.
+Supported values are
+\fB"ascending index string"\fR,
+\fB"ascending index number"\fR,
+\fB"ascending value"\fR,
+\fB"descending index string"\fR,
+\fB"descending index number"\fR,
+\fB"descending value"\fR, and
+\fB"unsorted"\fR.
+The order specification words can be truncated, or omitted (provided
+that at least one is present), or given in any order.
 .TP
 \fBPROCINFO["version"]\fP
 the version of