diff --git a/Modules/FindHDF5.cmake b/Modules/FindHDF5.cmake
index 65a825d912f41245615109a958a63b6b5f2d7c1a..1c48763e3d995d2cf9cb4c09242e03b0c3a38af9 100644
--- a/Modules/FindHDF5.cmake
+++ b/Modules/FindHDF5.cmake
@@ -89,7 +89,8 @@
 #
 # The following variable can be set to guide the search for HDF5 libraries and includes:
 #
-# HDF5_ROOT
+# ``HDF5_ROOT``
+#   Specify the path to the HDF5 installation to use.
 
 # This module is maintained by Will Dicharry <wdicharry@stellarscience.com>.