Fix link to Code of Conduct (google#2176)

.github/PULL_REQUEST_TEMPLATE.md

@@ -14,7 +14,7 @@ Choose one: (Bug fix | Feature | Documentation | Testing | Code health | Builds
 **Screenshots (if applicable)**
 
 **Checklist**
-- [ ] I have read and acknowledged the [Code of conduct](https://github.com/google/android-fhir/blob/master/docs/CODE_OF_CONDUCT.md).
+- [ ] I have read and acknowledged the [Code of conduct](https://github.com/google/android-fhir/blob/master/CODE_OF_CONDUCT.md).
 - [ ] I have read the [Contributing](https://github.com/google/android-fhir/wiki/Contributing) page.
 - [ ] I have signed the Google [Individual CLA](https://cla.developers.google.com/about/google-individual), or I am covered by my company's [Corporate CLA](https://cla.developers.google.com/about/google-corporate ).
 - [ ] I have discussed my proposed solution with code owners in the linked issue(s) and we have agreed upon the general approach.