diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 4af0018..94b9f20 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1089,8 +1089,8 @@
 includes (but  is not limited  to) those  created by  calls to the  fork() and
 clone() system calls.
 
-The  "procs_running" line gives the  number of processes  currently running on
-CPUs.
+The "procs_running" line gives the total number of threads that are
+running or ready to run (i.e., the total number of runnable threads).
 
 The   "procs_blocked" line gives  the  number of  processes currently blocked,
 waiting for I/O to complete.