Fix spelling errors in comments and documentation (#7492)

plugins/inputs/jenkins/jenkins.go

@@ -137,7 +137,7 @@ func (j *Jenkins) newHTTPClient() (*http.Client, error) {
 	}, nil
 }
 
-// seperate the client as dependency to use httptest Client for mocking
+// separate the client as dependency to use httptest Client for mocking
 func (j *Jenkins) initialize(client *http.Client) error {
 	var err error
 

plugins/inputs/jenkins/jenkins_test.go

@@ -75,8 +75,8 @@ func TestResultCode(t *testing.T) {
 }
 
 type mockHandler struct {
-	// responseMap is the path to repsonse interface
-	// we will ouput the serialized response in json when serving http
+	// responseMap is the path to response interface
+	// we will output the serialized response in json when serving http
 	// example '/computer/api/json': *gojenkins.
 	responseMap map[string]interface{}
 }