typo: fix typo in README.md
@@ -25,7 +25,7 @@ For sync communication we have a community slack with a #containerd channel that
To build the daemon and `ctr` simple test client, the following build system dependencies are required:
* Go 1.7.x or above
-* Protoc 3.x compiler and headers (download at the [Google protobuf releases page](https://github.com/google/protobuf/releases)
+* Protoc 3.x compiler and headers (download at the [Google protobuf releases page](https://github.com/google/protobuf/releases))
For proper results, install the `protoc` release into `/usr/local` on your build system. For example, the following commands will download and install the 3.1.0 release for a 64-bit Linux host:
