diff --git a/docs/conf.py b/docs/conf.py
index 3b24bbb48d..1f3ce2223c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -195,3 +195,16 @@
 .. |flex_min_version| replace:: {flex_min_version}
 
 """
+
+# The sphinx_rtd_theme does not properly handle wrapping long lines in
+# table cells when rendering to HTML due to a CSS issue (see
+# https://github.com/readthedocs/sphinx_rtd_theme/issues/1505).  Until
+# the issue is fixed upstream in sphinx_rtd_theme, we can simply
+# override the CSS here.
+rst_prolog += """
+.. raw:: html
+
+   <style>
+   .wy-table-responsive table td,.wy-table-responsive table th{white-space:normal}
+   </style>
+"""
diff --git a/docs/installing-pmix/required-support-libraries.rst b/docs/installing-pmix/required-support-libraries.rst
index 58c5685006..d0ec081727 100644
--- a/docs/installing-pmix/required-support-libraries.rst
+++ b/docs/installing-pmix/required-support-libraries.rst
@@ -14,13 +14,13 @@ PMIx requires the following support libraries with the minimum listed versions:
      - Notes
    * - `Hardware Locality <https://www.open-mpi.org/projects/hwloc/>`_
      - |hwloc_min_version|
-     - | This library is required; PMIx will not build without it.
+     - This library is required; PMIx will not build without it.
    * - `Libevent <https://libevent.org/>`_
      - |event_min_version|
-     - | Either libevent or libev must be provided
+     - Either libevent or libev must be provided
    * - `libev <https://metacpan.org/dist/EV/view/libev/ev.pod>`_
-     - | no specified minimum
-     - | Either libevent or libev must be provided
+     - no specified minimum
+     - Either libevent or libev must be provided
 
 These support libraries are fundamental to PMIx's operation
 and pretty universally available in all environments. Worst case,