[PATCH] clarify documentation for remote helpers

[David Turner <dturner@twosigma.com>]

Signed-off-by: David Turner <dturner@twosigma.com>
---

This doesn't address the connectivity-ok problem, which I continue to
worry is a real bug.  But it would have saved me a few minutes of
debugging.

 Documentation/gitremote-helpers.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt
index 43f80c8068..30001b2054 100644
--- a/Documentation/gitremote-helpers.txt
+++ b/Documentation/gitremote-helpers.txt
@@ -297,9 +297,9 @@ Supported if the helper has the "option" capability.
 	same batch are complete. Only objects which were reported
 	in the output of 'list' with a sha1 may be fetched this way.
 +
-Optionally may output a 'lock <file>' line indicating a file under
-GIT_DIR/objects/pack which is keeping a pack until refs can be
-suitably updated.
+Optionally may output a 'lock <file>' line indicating the full path of
+a file under under GIT_DIR/objects/pack which is keeping a pack until
+refs can be suitably updated.  The path must end with ".keep".
 +
 If option 'check-connectivity' is requested, the helper must output
 'connectivity-ok' if the clone is self-contained and connected.
-- 
2.20.1