diff --git a/docs/conf.py b/docs/conf.py
index ba87f0f8..0a1d05b4 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -94,6 +94,7 @@ linkcheck_ignore = [
     r"https://docs.github\.com/.*",  # 403 error
     r"http://127\.0\.0\.1:49153/.*",  # example
     r"https://mybinder\.org/v2/gh/.*",  # lots of 500 errors
+    r"https://spark-packages.org/",  # SSL: CERTIFICATE_VERIFY_FAILED
 ]
 
 linkcheck_allowed_redirects = {
diff --git a/docs/using/selecting.md b/docs/using/selecting.md
index b45c2eb6..b6ce0939 100644
--- a/docs/using/selecting.md
+++ b/docs/using/selecting.md
@@ -101,7 +101,7 @@ It contains:
   [cloudpickle](https://github.com/cloudpipe/cloudpickle),
   [conda-forge::blas=\*=openblas](https://www.openblas.net),
   [cython](https://cython.org),
-  [dask](https://dask.org/),
+  [dask](https://www.dask.org/),
   [dill](https://pypi.org/project/dill/),
   [h5py](https://www.h5py.org),
   [matplotlib-base](https://matplotlib.org/),