diff --git a/README.md b/README.md
index 9a38f5e0f..0573a6342 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Please see more information about the CCPP at the locations below.
 - [CCPP Physics GitHub wiki](https://github.com/NCAR/ccpp-physics/wiki)
 - [CCPP Framework GitHub wiki](https://github.com/NCAR/ccpp-framework/wiki)
 
-For the use of CCPP with its Single Column Model, see the [Single Column Model User's Guide](http://dtcenter.org/sites/default/files/paragraph/scm-ccpp-guide-v6.0.0.pdf).
+For the use of CCPP with its Single Column Model, see the [Single Column Model User's Guide](https://dtcenter.org/sites/default/files/paragraph/scm-ccpp-guide-v6-0-0.pdf).
 
 For the use of CCPP with NOAA's Unified Forecast System (UFS), see the [UFS Medium-Range Application User's Guide](https://ufs-mrweather-app.readthedocs.io/en/latest), the [UFS Short-Range Application User's Guide](https://ufs-srweather-app.readthedocs.io/en/latest) and the [UFS Weather Model User's Guide](https://ufs-weather-model.readthedocs.io/en/latest).