diff --git a/documentation/ReleaseChecklist.txt b/documentation/ReleaseChecklist.txt
index 74da91f..905813d 100644
--- a/documentation/ReleaseChecklist.txt
+++ b/documentation/ReleaseChecklist.txt
@@ -9,6 +9,8 @@ date.
 - Check in everything to BCDA SVN repository
 - Make the SVN repository tag with "make_release areaDetector RX-Y" from the devel directory
 - Do "make clean uninstall", "make" on Linux/vxWorks, win32-x86, win32-x86-debug and cygwin-x86
+  - The prebuilt binaries must be built on gse-pilatus1 for linux-86_64 and on idea for linux-x86. If not they
+    won't run on older Pilatus systems.
 - Run "make clean", "make" in the documentation directory
 - Run "makeADStandaloneTar from the top-level areaDetector directory
 - Run "make_tar_file areaDetector RX-Y" from the devel directory