diff --git a/create-release-tarball.sh b/create-release-tarball.sh
index 9066c00..c0fb943 100755
--- a/create-release-tarball.sh
+++ b/create-release-tarball.sh
@@ -1,5 +1,10 @@
 #!/bin/sh
 # script to create a tarball for the files that should be in the CTAN upload
+#
+# do not forget to replace comments/headers beforehand
+# 1. date and version in moderncv_userguide.tex
+# 2. find . -type f -exec sed -i 's/$OLD_DATE $OLD_VERSION/$NEW_DATE $NEW_VERSION/g' {} \;
+# 3. find . -type f -exec sed -i 's|-$OLD_YEAR moderncv maintainers (github.com/moderncv)|-$NEW_YEAR moderncv maintainers (github.com/moderncv)|g' {} \;
 
 # fetch version via git
 VERSION=$(git describe --tags --dirty)