diff --git a/docs/source/install.rst b/docs/source/install.rst
index 8b05549..c7429dd 100644
--- a/docs/source/install.rst
+++ b/docs/source/install.rst
@@ -54,9 +54,10 @@ or::
     export MSYS_HOME=C:\msys\1.0
     source /usr/local/bin/virtualenvwrapper.sh
 
-Depending on your MSYS setup, you may need to install the MSYS mktemp binary
-(``https://sourceforge.net/projects/mingw/files/MSYS/``) in the
-``MSYS_HOME/bin`` folder.
+Depending on your MSYS setup, you may need to install the `MSYS mktemp
+binary`_ in the ``MSYS_HOME/bin`` folder.
+
+.. _MSYS mktemp binary: https://sourceforge.net/projects/mingw/files/MSYS/
 
 PowerShell
 ----------
diff --git a/tox.ini b/tox.ini
index 5c4abe9..f4ce1b6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,6 +38,11 @@ deps =
   -r{toxinidir}/docs/requirements.txt
 commands =
     sphinx-build -W -j auto -b html -d docs/build/doctrees docs/source docs/build/html
+
+[testenv:linkcheck]
+deps =
+  -r{toxinidir}/docs/requirements.txt
+commands =
     sphinx-build -W -j auto -b linkcheck -d docs/build/doctrees docs/source docs/build/linkcheck
 
 [testenv:pkglint]