diff --git a/src/_cmake b/src/_cmake
index ba468af..93ff328 100644
--- a/src/_cmake
+++ b/src/_cmake
@@ -302,7 +302,8 @@ _cmake_define_lang_property_names() {
 (( $+functions[_cmake_define_common_property_names] )) ||
 _cmake_define_common_property_names() {
   local properties; properties=(
-    'CMAKE_MODULE_PATH:Search path for cmake modules'
+    'CMAKE_MODULE_PATH:Search path for cmake modules (FindPROJECT.cmake)'
+    'CMAKE_PREFIX_PATH:Search path for installations (PROJECTConfig.cmake)'
     'CMAKE_BUILD_TYPE:Specifies the build type for make based generators'
     'CMAKE_TOOLCHAIN_FILE:Absolute or relative path to a cmake script which sets up toolchain related variables'
     'CMAKE_COLOR_MAKEFILE:Enables/disables color output when using the Makefile generator'