added correct comments

handler/country.go

@@ -28,7 +28,7 @@ func Chandler(w http.ResponseWriter, r *http.Request) {
 			log.Fatal(err)
 		}
 	} else {
-		// need to check error for content when setting header (pkg.CorrectHeader)
+		// return with correct header
 		pkg.HttpError(w, err)
 	}
 }

handler/diag.go

@@ -21,6 +21,7 @@ func Dhandler(w http.ResponseWriter, r *http.Request) {
 			log.Fatal(err)
 		}
 	} else {
+		// return with correct header
 		pkg.HttpError(w, err)
 	}
 }

handler/species.go

@@ -23,6 +23,7 @@ func Shandler(w http.ResponseWriter, r *http.Request) {
 			log.Fatal(err)
 		}
 	} else {
+		// return with correct header
 		pkg.HttpError(w, err)
 	}
 }