clarify that $client is a shorthand used on this page, and not part of preferred content expression syntax

1 files changed, 6 insertions, 0 deletions

diff --git a/doc/preferred_content.mdwn b/doc/preferred_content.mdwn
index 6a5364f67..40364011e 100644
--- a/doc/preferred_content.mdwn
+++ b/doc/preferred_content.mdwn
@@ -125,6 +125,9 @@ data until all clients have a copy.
 
 `(not (inallgroup=client and copies=client:2) and ($client)`
 
+(Where $client is a copy of the preferred content expression used for
+clients.)
+
 The "copies=client:2" part of the above handles the case where
 there is only one client repository. It makes a transfer repository
 speculatively  prefer content in this case, even though it as of yet
@@ -188,6 +191,9 @@ reached an archive repository.
 
 `present and ($client)`
 
+(Where $client is a copy of the preferred content expression used for
+clients.)
+
 ### public
 
 This is used for publishing information to a repository that can be