diff --git a/Makefile b/Makefile
index 37a9ea76f4..e361636149 100644
--- a/Makefile
+++ b/Makefile
@@ -27,9 +27,15 @@ PYTHON := python
 
 # md5sum -c is used to compare rom hashes. The options may vary across platforms.
 MD5 := md5sum -c --quiet
+
+
+# The compare target is a shortcut to check that the build matches the original roms exactly.
+# This is for contributors to make sure a change didn't affect the contents of the rom.
+# More thorough comparison can be made by diffing the output of hexdump -C against both roms.
 compare:
 	@$(MD5) roms.md5
 
+
 # Clear the default suffixes.
 .SUFFIXES:
 .SUFFIXES: .asm .tx .o .gbc .png .2bpp .1bpp .pic