diff --git a/src/libical-1-parallel-builds.patch b/src/libical-1-parallel-builds.patch
index 87952588..414a7d56 100644
--- a/src/libical-1-parallel-builds.patch
+++ b/src/libical-1-parallel-builds.patch
@@ -1,14 +1,20 @@
-libical-1-parallel-builds.patch  libical-test.c
-[gcoco@Basement mingw-cross-env]$ cat src/libical-1-parallel-builds.patch
---- ./src/libicalss/CMakeLists.txt      2011/10/10 23:21:07     1106
-+++ ./src/libicalss/CMakeLists.txt      2011/12/18 21:56:43     1118
-@@ -28,7 +28,9 @@
-   ${CMAKE_BINARY_DIR}/src/libical/icalderivedvalue.h
- )
-
--add_custom_target(icalss-header DEPENDS
-+add_custom_target(icalss-header
-+  DEPENDS
-+  ical-header
-   ${CMAKE_BINARY_DIR}/src/libicalss/icalss.h
- )
\ No newline at end of file
+This file is part of mingw-cross-env.
+See doc/index.html for further information.
+
+This patch has been taken from:
+http://freeassociation.svn.sourceforge.net/viewvc/freeassociation/trunk/libical/src/libicalss/CMakeLists.txt?r1=1118&r2=1117&pathrev=1118&diff_format=u
+
+libical-1-parallel-builds.patch  libical-test.c
+[gcoco@Basement mingw-cross-env]$ cat src/libical-1-parallel-builds.patch
+--- ./src/libicalss/CMakeLists.txt      2011/10/10 23:21:07     1106
++++ ./src/libicalss/CMakeLists.txt      2011/12/18 21:56:43     1118
+@@ -28,7 +28,9 @@
+   ${CMAKE_BINARY_DIR}/src/libical/icalderivedvalue.h
+ )
+
+-add_custom_target(icalss-header DEPENDS
++add_custom_target(icalss-header
++  DEPENDS
++  ical-header
+   ${CMAKE_BINARY_DIR}/src/libicalss/icalss.h
+ )