diff --git a/README.md b/README.md
index f026f77..7e9addc 100644
--- a/README.md
+++ b/README.md
@@ -114,6 +114,8 @@ gc_interval = 10 # every 10 seconds
 # ports below 1024 will typically require root privileges and should be
 # avoided, the default was picked at random, this only needs to change if
 # another application happens to collide with ra-multiplex.
+#
+# on unix platforms, this can also be the path of a unix domain socket
 listen = ["127.0.0.1", 27631] # localhost & some random unprivileged port
 # listen = "/var/run/ra-mux/ra-mux.sock" # unix socket
 
diff --git a/examples/neovim/init.lua b/examples/neovim/init.lua
index 5571a92..7deb3a9 100644
--- a/examples/neovim/init.lua
+++ b/examples/neovim/init.lua
@@ -1,5 +1,7 @@
 require'lspconfig'.rust_analyzer.setup {
   cmd = vim.lsp.rpc.connect("127.0.0.1", 27631),
+  -- When using unix domain sockets, use something like:
+  --cmd = vim.lsp.rpc.domain_socket_connect("/path/to/ra-multiplex.sock"),
   init_options = {
     lspMux = {
       version = "1",
diff --git a/src/lsp/jsonrpc.rs b/src/lsp/jsonrpc.rs
index bf00ca0..4b7617c 100644
--- a/src/lsp/jsonrpc.rs
+++ b/src/lsp/jsonrpc.rs
@@ -197,7 +197,7 @@ mod tests {
 
     fn test(input: Value) {
         let deserialized = from_value::<Message>(input.clone()).expect("failed to deserialize");
-        let serialized = to_value(&deserialized).expect("failed to serialize");
+        let serialized = to_value(deserialized).expect("failed to serialize");
         assert_eq!(input, serialized);
     }