Fix patch description

debian/patches/debian/2021-02-10.build-on-non-usrmerge.patch

@@ -8,7 +8,7 @@ Last-Update: 2021-08-30
     Was previously part of
     cherry-pick/1606953228.v15-5-g9cdd041.systemd-drop-ncat-dependency.patch
 
-    The legacy path /lib should be the first in the list, else package
+    The legacy path /lib should be the first in the list, else the
     package will not build reproducibly between usrmerged/unmerged build
     environments.