updated the usage description

cmake/FindPROJECT_NAME.cmake.in.in

@@ -6,8 +6,7 @@
 #   @PROJECT_NAME@_VERSION      : the package version
 #   @PROJECT_NAME@_INCLUDE_DIRS : path to the include directory
 #   @PROJECT_NAME@_LIBRARY_DIRS : path to the library directory
-#   @PROJECT_NAME@_LIBRARIES    : additional libraries the depending project needs to link against. The library provided
-#                                 by the package @PROJECT_NAME@ will be added automatically
+#   @PROJECT_NAME@_LIBRARIES    : libraries the depending project needs to link against
 #   @PROJECT_NAME@_CXX_FLAGS    : additional C++ compiler flags
 #   @PROJECT_NAME@_LINKER_FLAGS : additional linker flags
 #

cmake/create_cmake_config_files.cmake

@@ -4,10 +4,11 @@
 # Create the Find${PROJECT_NAME}.cmake cmake macro and the ${PROJECT_NAME}-config shell script and installs them.
 #
 # Expects the following input variables:
-#   ${PROJECT_NAME}_SOVERSION - version of the .so library file
+#   ${PROJECT_NAME}_SOVERSION - version of the .so library file (or just MAJOR.MINOR without the patch level)
 #   ${PROJECT_NAME}_INCLUDE_DIRS - list include directories needed when compiling against this project
 #   ${PROJECT_NAME}_LIBRARY_DIRS - list of library directories needed when linking against this project
-#   ${PROJECT_NAME}_LIBRARIES - list of libraries needed when linking against this project
+#   ${PROJECT_NAME}_LIBRARIES - list of additional libraries needed when linking against this project. The library
+#                               provided by the project will be added automatically
 #   ${PROJECT_NAME}_CXX_FLAGS - list of additional C++ compiler flags needed when compiling against this project
 #   ${PROJECT_NAME}_LINKER_FLAGS - list of additional linker flags needed when linking against this project
 #   ${PROJECT_NAME}_MEXFLAGS - (optional) mex compiler flags