diff --git a/Makefile b/Makefile
index 504f4eb..c771321 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 ##
 ## muse2ps is a command-line batch-processing version of au-ms-ps.z, which
 ## is a Z-bex program that runs interactively in the dmuse environment:
-##    http://dmuse.ccarh.org
+##	http://dmuse.ccarh.org
 ##
 ## Pre-compiled versions of the program can be found in the bin directory
 ## for linux, Apple OS X, and Microsoft Windows.
@@ -15,11 +15,17 @@
 ##	make
 ## The compiled program will be created in src/muse2ps and copied to ./muse2ps.
 ##
+## muse2ps is compiled as a 32-bit binary.  You must have 32-bit libraries
+## installed in order to compile.  If you need 32-bit compiling libraries,
+## try installing with one of these commands or similar if on a 64-bit computer:
+##	sudo apt-get install libc6-dev-i386
+##	sudo yum install glibc-devel.i686 glibc.i686
+##
 ## Place this compiled program into a directory in your command path to use, 
 ## such as /usr/local/bin.  If you are root, you can type:
-##      make install
+##	make install
 ## or otherwise 
-##      su make install
+##	su make install
 ## to copy ./muse2ps to the /usr/local/bin directory.
 ##
 ## To remove intermediate object files, type:
@@ -27,7 +33,7 @@
 ##
 ## To remove intermediate object files as well as the compiled program 
 ## itself, type:
-##      make superclean
+##	make superclean
 ##
 
 # Determine if an extension is needed (.exe for Cygiwn or nothing if
@@ -56,3 +62,4 @@ superclean:
 	(cd src; $(MAKE) superclean)
 	-rm muse2ps$(EXT)
 
+