diff --git a/.gitignore b/.gitignore
index 238935d..bfe01dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,4 @@
-certificate_authority_certificate.pem
-certificate_authority_key.pem
-
+*.pem
 *.deb
 *.tar.xz
 debian/
diff --git a/Makefile b/Makefile
index 5d1522a..c11e43b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
+# https://wiki.libvirt.org/TLSDaemonConfiguration.html
+
 STAMP = $(shell date +%Y%m%d.%H%M%S)
 
 ls: