diff --git a/kdump.conf b/kdump.conf
index 1f0fc2d..4586ccd 100644
--- a/kdump.conf
+++ b/kdump.conf
@@ -79,13 +79,23 @@
 #             or script after the vmcore dump process terminates.
 #             The exit status of the current dump process is fed to
 #             the executable binary or script as its first argument.
+#             If /etc/kdump/post.d directory is exist, All files in
+#             the directory are collectively sorted and executed in
+#             lexical order, before binary or script specified
+#             kdump_post parameter is executed.
 #
 # kdump_pre <binary | script>
 #           - Works like the "kdump_post" directive, but instead of running
 #             after the dump process, runs immediately before it.
 #             Exit status of this binary is interpreted as follows:
-#             0 - continue with dump process as usual
-#             non 0 - reboot the system
+#               0 - continue with dump process as usual
+#               non 0 - reboot the system
+#             If /etc/kdump/pre.d directory exists, all files in
+#             the directory are collectively sorted and executed in
+#             lexical order, after binary or script specified
+#             kdump_pre parameter is executed.
+#             Even if the binary or script in /etc/kdump/pre.d directory
+#             returns non 0 exit status, the processing is continued.
 #
 # extra_bins <binaries | shell scripts>
 #           - This directive allows you to specify additional binaries or