diff --git a/man5/proc.5 b/man5/proc.5
index 57566664b..3284f46a3 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -4217,6 +4217,16 @@ for easy understanding.
 .BR svipc (7)
 provides further background on the information shown by these files.
 .TP
+.IR /proc/thread-self " (since Linux 3.17)"
+This directory refers to the thread accessing the
+.I /proc
+filesystem,
+and is identical to the
+.I /proc/self/task/[tid]
+directory named by the process thread ID
+.RI ( [tid] )
+of the same thread.
+.TP
 .IR /proc/timer_list " (since Linux 2.6.21)"
 .\" commit 289f480af87e45f7a6de6ba9b4c061c2e259fe98
 This read-only file exposes a list of all currently pending