diff --git a/doc/changelog.rst b/doc/changelog.rst
index 5538467d0c..f1085c4bff 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -755,8 +755,8 @@ Changes in Version 3.8.0
 
 .. warning:: PyMongo no longer supports Python 2.6. RHEL 6 users should install
   Python 2.7 or newer from `Red Hat Software Collections
-  <https://www.softwarecollections.org>`_. CentOS 6 users should install Python
-  2.7 or newer from `SCL
+  <https://developers.redhat.com/products/softwarecollections/overview>`_.
+  CentOS 6 users should install Python 2.7 or newer from `SCL
   <https://wiki.centos.org/AdditionalResources/Repositories/SCL>`_
 
 .. warning:: PyMongo no longer supports PyPy3 versions older than 3.5. Users
diff --git a/doc/conf.py b/doc/conf.py
index a5c5be2694..7b1580de32 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -84,7 +84,8 @@
 # The anchors on the rendered markdown page are created after the fact,
 # so this link results in a 404.
 linkcheck_ignore = [
-    "https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-monitoring.rst#requesting-an-immediate-check"
+    "https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-monitoring.rst#requesting-an-immediate-check",
+    r"https://wiki.centos.org/[\w/]*",
 ]
 
 # -- Options for extensions ----------------------------------------------------