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-rw-r--r--doc/specification/remote-protocol.md7
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/specification/remote-protocol.md b/doc/specification/remote-protocol.md
index 1afd7e32..af10d2b8 100644
--- a/doc/specification/remote-protocol.md
+++ b/doc/specification/remote-protocol.md
@@ -140,6 +140,7 @@ message as it is done in the original protocol. The remote side promises
that each blob and subtree contained in the root tree is available in
the remote CAS. Such blobs and trees must be accessible, using the
streaming interface, without specifying the size (since sizes are not
-stored in a git tree). Due to the Protobuf 3 specification, which is
-used in this remote execution API, not specifying the size means the
-default value 0 is used.
+stored in a git tree). Due to the [Protobuf 3
+specification](https://protobuf.dev/reference/protobuf/proto3-spec/), which is
+used in this remote execution API, not specifying the size means the default
+value `0` is used.