diff --git a/man/systemd-cryptsetup-generator.xml b/man/systemd-cryptsetup-generator.xml
index e2aa0428aac..ec2b5e4e329 100644
--- a/man/systemd-cryptsetup-generator.xml
+++ b/man/systemd-cryptsetup-generator.xml
@@ -62,7 +62,7 @@
systemd-cryptsetup-generator
implements the generator
+ url="http://www.freedesktop.org/wiki/Software/systemd/Generators">generator
specification.
diff --git a/man/systemd-fstab-generator.xml b/man/systemd-fstab-generator.xml
index 785febd6ce9..87cc35b7d13 100644
--- a/man/systemd-fstab-generator.xml
+++ b/man/systemd-fstab-generator.xml
@@ -71,7 +71,7 @@
systemd-fstab-generator
implements the generator
+ url="http://www.freedesktop.org/wiki/Software/systemd/Generators">generator
specification.
diff --git a/man/systemd-getty-generator.xml b/man/systemd-getty-generator.xml
index 4c6a2475b90..1c9c9345f90 100644
--- a/man/systemd-getty-generator.xml
+++ b/man/systemd-getty-generator.xml
@@ -75,7 +75,7 @@
systemd-getty-generator
implements the generator
+ url="http://www.freedesktop.org/wiki/Software/systemd/Generators">generator
specification.
diff --git a/man/systemd-system-update-generator.xml b/man/systemd-system-update-generator.xml
index 3a0a505ec7a..18a23ed7fc0 100644
--- a/man/systemd-system-update-generator.xml
+++ b/man/systemd-system-update-generator.xml
@@ -64,7 +64,7 @@
systemd-system-update-generator
implements the generator
+ url="http://www.freedesktop.org/wiki/Software/systemd/Generators">generator
specification.