diff --git a/man/os-release.xml b/man/os-release.xml
index aa1ef03a40..4bbb87b1bf 100644
--- a/man/os-release.xml
+++ b/man/os-release.xml
@@ -642,7 +642,7 @@
set.
Operating system vendors may extend the file format and introduce new fields. It is highly
- recommended to prefix new fields with an OS specific name in order to avoid name clashes. Applications
+ recommended to prefix new fields with an OS-specific name in order to avoid name clashes. Applications
reading this file must ignore unknown fields.
Example: DEBIAN_BTS="debbugs://bugs.debian.org/".