diff --git a/.github/workflows/tests-skip.yml b/.github/workflows/tests-skip.yml
index a99236f3..3dd48731 100644
--- a/.github/workflows/tests-skip.yml
+++ b/.github/workflows/tests-skip.yml
@@ -55,7 +55,7 @@ jobs:
         # Tests must be run on all target platforms and Python versions.
         os:
           - "ubuntu-latest"
-          - "macos-latest"
+          - "macos-13"
           - "windows-latest"
         python-version:
           - "3.6"
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 84838b7b..bc302a19 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -485,6 +485,10 @@
     r"https://doi\.org/10\.1073/pnas\.1900239116",
     r"https://doi\.org/10\.1080/00031305\.2017\.1356374",
     r"https://doi\.org/10\.1080/01621459\.1958\.10501452",
+    r"https://doi\.org/10\.1103/PhysRev\.126\.986",
+    r"https://doi\.org/10\.1103/PhysRev\.136\.A405",
+    r"https://doi\.org/10\.1103/PhysRevB\.74\.184430",
+    r"https://doi\.org/10\.1103/PhysRevLett\.98\.227802",
     # 418 Client Error: Unknown for url.
     r"https://doi\.org/10\.1109/TSMC\.1979\.4310076",
 ]
diff --git a/src/mdtools/statistics.py b/src/mdtools/statistics.py
index 875a80e5..a9a4358e 100644
--- a/src/mdtools/statistics.py
+++ b/src/mdtools/statistics.py
@@ -516,7 +516,7 @@ def acf_se(x, axis=None, n=None):
         <https://en.wikipedia.org/wiki/Correlogram#Statistical_inference_with_correlograms>`_
 
     .. [#] Wikipedia `Autoregressive-moving-average model
-        <https://en.wikipedia.org/wiki/Autoregressive%E2%80%93moving-average_model#Moving-average_model>`_
+        <https://en.wikipedia.org/wiki/Autoregressive%E2%80%93moving-average_model#Moving_average_model>`_
 
     Examples
     --------
@@ -710,7 +710,7 @@ def acf_confint(x, axis=None, alpha=0.05, n=None):
         <https://en.wikipedia.org/wiki/Normal_distribution#Quantile_function>`_
 
     .. [3] Wikipedia `Autoregressive-moving-average model
-        <https://en.wikipedia.org/wiki/Autoregressive%E2%80%93moving-average_model#Moving-average_model>`_
+        <https://en.wikipedia.org/wiki/Autoregressive%E2%80%93moving-average_model#Moving_average_model>`_
 
     Examples
     --------