Index: subversion/libsvn_repos/repos.c
===================================================================
--- subversion/libsvn_repos/repos.c	(revision 1603773)
+++ subversion/libsvn_repos/repos.c	(working copy)
@@ -765,6 +765,15 @@
 "# '"SCRIPT_NAME".bat' or '"SCRIPT_NAME".exe',"                              NL
 "# but the basic idea is the same."                                          NL
 "# "                                                                         NL
+"# If you want to trigger asynchroneous work by spawning other processes,"   NL
+"# you need to prevent svnserve from waiting for those child processes to"   NL
+"# finish. On Linux, this can be done by redirecting stdout and stderr of"   NL
+"# the subprocesses. On Windows, using the \"start\" command usually also"   NL
+"# inherits the handles, triggering the same problem. You can circumvent"    NL
+"# it by using alternative methods which do not inherit the handles and set" NL
+"# the DETACHED_PROCESS flag, such as calling WScript.Shell.Run via the"     NL
+"# Windows Scripting Host."                                                  NL
+"# "                                                                         NL
 HOOKS_ENVIRONMENT_TEXT
 "# "                                                                         NL
 "# Here is an example hook script, for a Unix /bin/sh interpreter."          NL