diff --git a/.github/workflows/cli.yml b/.github/workflows/cli.yml
index 5601b19..eb6da39 100644
--- a/.github/workflows/cli.yml
+++ b/.github/workflows/cli.yml
@@ -58,8 +58,9 @@ jobs:
           go run build.go gfmrun docs/v2/manual.md
           go run build.go toc docs/v2/manual.md
 
-      - name: Send Coverage Report
-        if: success()
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-        run: bash <(curl -s https://codecov.io/bash)
+      - name: Upload coverage to Codecov
+        if: success() && matrix.go == 1.13 && matrix.os == 'ubuntu-latest'
+        uses: codecov/codecov-action@v1
+        with:
+          token: 0a8cc73b-bb7c-480b-8626-38a461643761
+          fail_ci_if_error: true
diff --git a/app.go b/app.go
index 09b13be..c04e9af 100644
--- a/app.go
+++ b/app.go
@@ -13,7 +13,7 @@ import (
 )
 
 var (
-	changeLogURL            = "https://github.com/urfave/cli/blob/master/CHANGELOG.md"
+	changeLogURL            = "https://github.com/urfave/cli/blob/master/docs/CHANGELOG.md"
 	appActionDeprecationURL = fmt.Sprintf("%s#deprecated-cli-app-action-signature", changeLogURL)
 	contactSysadmin         = "This is an error in the application.  Please contact the distributor of this application if this is not you."
 	errInvalidActionType    = NewExitError("ERROR invalid Action type. "+
diff --git a/appveyor.yml b/appveyor.yml
index 6ae54b2..f1cae90 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -20,10 +20,9 @@ install:
   - go version
   - go env
   - go get github.com/urfave/gfmrun/cmd/gfmrun
-  - go get golang.org/x/tools/cmd/goimports
   - go mod tidy
 
 build_script:
   - go run build.go vet
   - go run build.go test
-  - go run build.go gfmrun docs/v1/manual.md
\ No newline at end of file
+  - go run build.go gfmrun docs/v1/manual.md
diff --git a/category.go b/category.go
index d9e73a0..867e390 100644
--- a/category.go
+++ b/category.go
@@ -1,5 +1,6 @@
 package cli
 
+// CommandCategories interface allows for category manipulation
 type CommandCategories interface {
 	// AddCommand adds a command to a category, creating a new category if necessary.
 	AddCommand(category string, command *Command)
diff --git a/errors.go b/errors.go
index be58903..344b436 100644
--- a/errors.go
+++ b/errors.go
@@ -48,6 +48,7 @@ func (m *multiError) Errors() []error {
 	return errs
 }
 
+// ErrorFormatter is the interface that will suitably format the error output
 type ErrorFormatter interface {
 	Format(s fmt.State, verb rune)
 }
diff --git a/flag_path.go b/flag_path.go
index d6b23c3..a322857 100644
--- a/flag_path.go
+++ b/flag_path.go
@@ -72,7 +72,7 @@ func (f *PathFlag) Apply(set *flag.FlagSet) error {
 	return nil
 }
 
-// String looks up the value of a local PathFlag, returns
+// Path looks up the value of a local PathFlag, returns
 // "" if not found
 func (c *Context) Path(name string) string {
 	if fs := lookupFlagSet(name, c); fs != nil {