Fix phrasing (refs: #12152)

90f77b5d · intrigeri · 8d7e2f7b · 90f77b5d
Commit 90f77b5d authored Apr 14, 2018 by intrigeri
--- a/wiki/src/contribute/release_process/tails-installer.mdwn
+++ b/wiki/src/contribute/release_process/tails-installer.mdwn
@@ -254,7 +254,7 @@ Update the Debian package
 -------------------------

 This assumes that the latest upstream release has been imported into
-a `tails/master` already.
+the `tails/master` branch already.

 And then, a maintainer of `tails-installer` in Debian updates the
 package in sid accordingly, for example: