diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index 3cd6d895..296d4731 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -101,4 +101,5 @@ add_custom_target(sphinx ALL DEPENDS ${SPHINX_INDEX_FILE})
 # Add an install target to install the docs
 include(GNUInstallDirs)
 install(DIRECTORY ${SPHINX_BUILD}
-DESTINATION ${CMAKE_INSTALL_DOCDIR})
+    DESTINATION ${CMAKE_INSTALL_DOCDIR}
+)