diff --git a/mac_installer/make_GridRepublic.sh b/mac_installer/make_GridRepublic.sh
index 3b7e9898f1..7664779757 100644
--- a/mac_installer/make_GridRepublic.sh
+++ b/mac_installer/make_GridRepublic.sh
@@ -45,6 +45,9 @@
 ##   XCode developer tools.  So you must have installed XCode Developer 
 ##   Tools on the Mac before running this script.
 ##
+## NOTE: PackageMaker may write 3 lines to the terminal with "Setting to : 0 (null)" 
+##   and "relocate: (null) 0".  This is normal and does not indicate a problem.
+##
 ## cd to the working directory:
 ##
 ## Invoke this script with the three parts of version number as arguments.  
diff --git a/mac_installer/make_ProgThruProc.sh b/mac_installer/make_ProgThruProc.sh
index 76d1cadf98..89524d5ad0 100644
--- a/mac_installer/make_ProgThruProc.sh
+++ b/mac_installer/make_ProgThruProc.sh
@@ -45,6 +45,9 @@
 ##   XCode developer tools.  So you must have installed XCode Developer 
 ##   Tools on the Mac before running this script.
 ##
+## NOTE: PackageMaker may write 3 lines to the terminal with "Setting to : 0 (null)" 
+##   and "relocate: (null) 0".  This is normal and does not indicate a problem.
+##
 ## cd to the working directory:
 ##
 ## Invoke this script with the three parts of version number as arguments.  
diff --git a/mac_installer/release_boinc.sh b/mac_installer/release_boinc.sh
index dc1363a76f..2104e7677d 100644
--- a/mac_installer/release_boinc.sh
+++ b/mac_installer/release_boinc.sh
@@ -19,7 +19,14 @@
 
 ##
 # Release Script for Macintosh BOINC Manager 10/31/07 by Charlie Fenton
-## updated 5/20/09 by Charlie Fenton
+## updated 6/19/09 by Charlie Fenton
+##
+## NOTE: This script uses PackageMaker, which is installed as part of the 
+##   XCode developer tools.  So you must have installed XCode Developer 
+##   Tools on the Mac before running this script.
+##
+## NOTE: PackageMaker may write 3 lines to the terminal with "Setting to : 0 (null)" 
+##   and "relocate: (null) 0".  This is normal and does not indicate a problem.
 ##
 
 ## Usage: