README: fix protobuf URL
@@ -51,7 +51,7 @@ rustc --version # if this fails, try a new command window, or add the path (see
#### protobuf
-* The [Protocol Buffers][https://developers.google.com/protocol-buffers] version
+* The [Protocol Buffers](https://developers.google.com/protocol-buffers) version
bundled with crate `prost-build` will be used.
* For distribution or container builds in general, it's a good practice to
install `protoc` from the official distribution package if available.
