docs: fix small typo during last rewrite

docs: fix a tiny typo introduced in the last readme commit.

Change-Id: I5ff7c7969616c69b4f93daf38f7362851989b8c2
GitHub-Last-Rev: 68abb69c56f4c9a74d4aec14e764c9cf52791bd3
GitHub-Pull-Request: golang/vscode-go#209
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/237222
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
diff --git a/README.md b/README.md
index 9b35298..2d51c06 100644
--- a/README.md
+++ b/README.md
@@ -125,7 +125,7 @@
 
 ## [Contributing](docs/contributing.md)
 
-We welcome your contributions and thank you for working to improve the Go development experience in VS Code. If you would like to help work on the VS Code Go extension, please see our [contribution cuide](docs/contributing.md). It explains how to build and run the extension locally, and it describes the process of sending a contribution.
+We welcome your contributions and thank you for working to improve the Go development experience in VS Code. If you would like to help work on the VS Code Go extension, please see our [contribution guide](docs/contributing.md). It explains how to build and run the extension locally, and it describes the process of sending a contribution.
 
 ## [Code of Conduct](CODE_OF_CONDUCT.md)