[LyX/master] Add comment and fix a typo

[Scott Kostyshak]

commit 5594b43d2c4596af3f821b624144b50be7e9c657
Author: Scott Kostyshak <skost...@lyx.org>
Date:   Thu Jun 12 17:34:04 2014 -0400

    Add comment and fix a typo

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 032b47f..d7cc165 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -866,13 +866,15 @@ if(LYX_NLS)
        message(STATUS)
 endif()
 
+# Apple has builtin native spell checker,
+# no need to warn for missing Aspell, Hunspell or Enchant
 if(NOT Spelling_FOUND AND NOT APPLE)
   if(LYX_REQUIRE_SPELLCHECK)
     set(_mode "FATAL_ERROR")
   else()
     set(_mode "STATUS")
   endif()
-  message(${_mode} "No spellcheck libraries found. Lyx will be unable use 
spellchecking")
+  message(${_mode} "No spellcheck libraries found. LyX will be unable use 
spellchecking")
 endif()
 
 include("${TOP_CMAKE_PATH}/LyxPackaging.cmake")