minor changes

settings_header_filters.go

@@ -26,7 +26,7 @@ func (h *HTTPHeaderFilters) Set(value string) error {
 	}
 	r, err := regexp.Compile(valArr[1])
 	if err != nil {
-		return errors.New("could not compile regexp.")
+		return err
 	}
 
 	*h = append(*h, headerFilter{name: valArr[0], regexp: r})

settings_header_hash_filters.go

@@ -23,7 +23,7 @@ func (h *HTTPHeaderHashFilters) String() string {
 func (h *HTTPHeaderHashFilters) Set(value string) error {
 	valArr := strings.SplitN(value, ":", 2)
 	if len(valArr) < 2 {
-		return errors.New("need both header and value, colon-delimited (ex. user_id:^169$).")
+		return errors.New("need both header and value, colon-delimited (ex. user_id:1/2).")
 	}
 
 	fracArr := strings.Split(valArr[1], "/")