diff --git a/documentation/index.md b/documentation/index.md
index b0707d5c..c6e47568 100644
--- a/documentation/index.md
+++ b/documentation/index.md
@@ -12,7 +12,7 @@ Here are some of our most popular help topics.
 
 ## HDF4 
 * [Building HDF4 with CMake](/documentation/hdf4-docs/building_hdf4_with_cmake.html)
-* [How to Change HDF4 Cmake Build Options](/documentation/hdf4-docs/how_to_change_hdf4_cmake_build_options.html)
+* [How to Change HDF4 CMake Build Options](/documentation/hdf4-docs/how_to_change_hdf4_cmake_build_options.html)
 * Reference Manual
 * User Guide