fix license url error

Author: caranathunge

README.Rmd

@@ -28,7 +28,7 @@ knitr::opts_chunk$set(
 [![CRAN RStudio mirror downloads](https://cranlogs.r-pkg.org/badges/grand-total/promor?color=blue)](https://r-pkg.org/pkg/promor)
 [![R-CMD-check](https://github.com/caranathunge/promor/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/caranathunge/promor/actions/workflows/R-CMD-check.yaml)
 [![test-coverage](https://github.com/caranathunge/promor/actions/workflows/test-coverage.yaml/badge.svg)](https://github.com/caranathunge/promor/actions/workflows/test-coverage.yaml)
-[![License: LGPL v2.1](https://img.shields.io/badge/License-LGPL_v2.1-blue.svg)](https://www.gnu.org/licenses/lgpl-2.1)
+[![License: LGPL v2.1](https://img.shields.io/badge/License-LGPL_v2.1-blue.svg)](https://www.gnu.org/licenses/old-licenses/lgpl-2.1)
 <!-- badges: end -->
 
 

README.md

@@ -16,7 +16,7 @@ downloads](https://cranlogs.r-pkg.org/badges/grand-total/promor?color=blue)](htt
 [![R-CMD-check](https://github.com/caranathunge/promor/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/caranathunge/promor/actions/workflows/R-CMD-check.yaml)
 [![test-coverage](https://github.com/caranathunge/promor/actions/workflows/test-coverage.yaml/badge.svg)](https://github.com/caranathunge/promor/actions/workflows/test-coverage.yaml)
 [![License: LGPL
-v2.1](https://img.shields.io/badge/License-LGPL_v2.1-blue.svg)](https://www.gnu.org/licenses/lgpl-2.1)
+v2.1](https://img.shields.io/badge/License-LGPL_v2.1-blue.svg)](https://www.gnu.org/licenses/old-licenses/lgpl-2.1)
 <!-- badges: end -->
 
 - `promor` is a user-friendly, comprehensive R package that combines