man: use the escape for "-" in example instead of space.

This sentence can be misread to mean that "\x20" is the escape code for
"-" which is the only character explicitly mentioned. This lead to at
least one user loosing hair over why a mount unit for "/foo/bar-baz"
didn't work. The example escape is arbitrary so lets prevent hair loss.

diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index 6ea552e8b45868f1f543770bdbf2ef23fa32302d..67d46eda983efd931f194d73fd1ec62d4350e142 100644 (file)
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -226,7 +226,7 @@
                 result is usable as part of a filename. Basically,
                 given a path, "/" is replaced by "-", and all
                 unprintable characters and the "-" are replaced by
-                C-style "\x20" escapes. The root directory "/" is
+                C-style "\x2d" escapes. The root directory "/" is
                 encoded as single dash, while otherwise the initial
                 and ending "/" is removed from all paths during
                 transformation. This escaping is reversible.</para>