diff --git a/makefile b/makefile
index bcfa8da..4f37260 100644
--- a/makefile
+++ b/makefile
@@ -41,6 +41,13 @@
 ########################################################################
 
 
+#####
+# Revision Support
+#####
+
+DATE = $(shell date)
+REVISION = $(shell git log --pretty=format:"%h%x20%an%x20%ad%x20%s" -1 | cut -f1 -d" ")
+
 
 ###
 # Document Production
@@ -117,7 +124,7 @@
 
 release:
 	sed "s/__DATE__/${DATE}/" <${PROJECT}.rst >tmp.rst
-	sed "s/__VERSION__/${VERSION}/" <tmp.rst >${PROJECT}.rst
+	sed "s/__REVISION__/${REVISION}/" <tmp.rst >${PROJECT}.rst
 	make html pdf
 	rm tmp.rst
 	git checkout ${PROJECT}.rst