Help: Fix minor typo in CMakePrintHelpers module docs

Fixes: #19900

Modules/CMakePrintHelpers.cmake

@@ -22,9 +22,9 @@ source files, directories, tests or cache entries.  Exactly one of the
 scope keywords must be used.  Example::
 
   cmake_print_properties(TARGETS foo bar PROPERTIES
-                         LOCATION INTERFACE_INCLUDE_DIRS)
+                         LOCATION INTERFACE_INCLUDE_DIRECTORIES)
 
-This will print the LOCATION and INTERFACE_INCLUDE_DIRS properties for
+This will print the LOCATION and INTERFACE_INCLUDE_DIRECTORIES properties for
 both targets foo and bar.
 
 ::