diff --git a/lustre/kernel_patches/patches/modpost_external_module_updates_rhel4.patch b/lustre/kernel_patches/patches/modpost_external_module_updates_rhel4.patch
index 9fdfe79beccafa00a9fa6a797c824c658b408937..35bf139dea7e15cb82730ddc3b9dd48a2f446e95 100644
--- a/lustre/kernel_patches/patches/modpost_external_module_updates_rhel4.patch
+++ b/lustre/kernel_patches/patches/modpost_external_module_updates_rhel4.patch
@@ -1,3 +1,7 @@
+This patch updates the RHEL 4 module build system to properly support
+dependencies between external modules, similarly to the way they are
+supported in newer kernels.
+
 Index: linux-2.6.9-55.EL/scripts/Makefile.modpost
 ===================================================================
 --- linux-2.6.9-55.EL.orig/scripts/Makefile.modpost
diff --git a/lustre/kernel_patches/patches/modpost_external_module_updates_sles9.patch b/lustre/kernel_patches/patches/modpost_external_module_updates_sles9.patch
index 9ca07650ca2952432f79abf315b92adaa5fc376f..39b85d47dd4098fd74cab158c6128f7180d2a8d4 100644
--- a/lustre/kernel_patches/patches/modpost_external_module_updates_sles9.patch
+++ b/lustre/kernel_patches/patches/modpost_external_module_updates_sles9.patch
@@ -1,3 +1,7 @@
+This patch updates the SLES 9 module build system to properly support
+dependencies between external modules, similarly to the way they are
+supported in newer kernels.
+
 Index: linux-2.6.5-7.286/scripts/Makefile.modpost
 ===================================================================
 --- linux-2.6.5-7.286.orig/scripts/Makefile.modpost