chore: fix some typos

CONTRIBUTING.md

@@ -16,7 +16,7 @@ If you want to begin contributing code, looking through our open issues is a goo
 
 ## Enhancements
 
-Open an issue to make sure your contibution is likely to be accepted before investing a lot of effort in larger changes.
+Open an issue to make sure your contribution is likely to be accepted before investing a lot of effort in larger changes.
 
 ## Pull Requests
 

docs/tutorials/develop-chaincode.md

@@ -1,4 +1,4 @@
-# Developing and debuging chaincode
+# Developing and debugging chaincode
 
 Publishing a chaincode Docker image and using the image digest to deploy the chaincode works well with the [Fabric chaincode lifecycle](https://hyperledger-fabric.readthedocs.io/en/latest/chaincode_lifecycle.html), however it is not as convenient while developing and debugging chaincode.
 

mkdocs.yml

@@ -108,5 +108,5 @@ nav:
     - Kubernetes service account: configuring/kubernetes-service-account.md
     - Dedicated nodes: configuring/dedicated-nodes.md
   - Tutorials:
-    - Developing and debuging chaincode: tutorials/develop-chaincode.md
+    - Developing and debugging chaincode: tutorials/develop-chaincode.md
     - Creating a chaincode package: tutorials/package-chaincode.md