diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9f30f18ea..d57e96a2e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -509,6 +509,7 @@ endif()
 if (WIN32)
     install(DIRECTORY "${SLIC3R_RESOURCES_DIR}/" DESTINATION "${CMAKE_INSTALL_PREFIX}/resources")
 elseif (SLIC3R_FHS)
+    # CMAKE_INSTALL_FULL_DATAROOTDIR: read-only architecture-independent data root (share)
     set(SLIC3R_FHS_RESOURCES "${CMAKE_INSTALL_FULL_DATAROOTDIR}/PrusaSlicer")
     install(DIRECTORY "${SLIC3R_RESOURCES_DIR}/" DESTINATION "${SLIC3R_FHS_RESOURCES}")
     install(FILES src/platform/unix/PrusaSlicer.desktop DESTINATION ${SLIC3R_FHS_RESOURCES}/applications)