transport-helper: update refspec documentation

diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt
index f506031ae49070e216e71914d8ef241da58430e1..ba7240c36377729bf60bcf0ec925e91e617c02d1 100644 (file)
--- a/Documentation/gitremote-helpers.txt
+++ b/Documentation/gitremote-helpers.txt
@@ -159,11 +159,11 @@ Miscellaneous capabilities
        carried out.
 
 'refspec' <refspec>::
-       This modifies the 'import' capability, allowing the produced
-       fast-import stream to modify refs in a private namespace
-       instead of writing to refs/heads or refs/remotes directly.
-       It is recommended that all importers providing the 'import'
-       capability use this.
+       For remote helpers that implement 'import' or 'export', this capability
+       allows the refs to be constrained to a private namespace, instead of
+       writing to refs/heads or refs/remotes directly.
+       It is recommended that all importers providing the 'import' or 'export'
+       capabilities use this.
 +
 A helper advertising the capability
 `refspec refs/heads/*:refs/svn/origin/branches/*`
@@ -174,8 +174,8 @@ ref.
 This capability can be advertised multiple times.  The first
 applicable refspec takes precedence.  The left-hand of refspecs
 advertised with this capability must cover all refs reported by
-the list command.  If a helper does not need a specific 'refspec'
-capability then it should advertise `refspec *:*`.
+the list command.  If no 'refspec' capability is advertised,
+there is an implied `refspec *:*`.
 
 'bidi-import'::
        This modifies the 'import' capability.