diff --git a/doc/syntastic-checkers.txt b/doc/syntastic-checkers.txt
index 14c9b923..b7625f1d 100644
--- a/doc/syntastic-checkers.txt
+++ b/doc/syntastic-checkers.txt
@@ -2277,6 +2277,13 @@ Type: string
 Default: unset
 Additional arguments to pass to "cgc".
 
+Note~
+
+You probably also need a plugin to set |filetype| for OpenGL files, such as
+"vim-glsl":
+
+    https://github.com/tikhomirov/vim-glsl
+
 ==============================================================================
 SYNTAX CHECKERS FOR GO                                 *syntastic-checkers-go*
 
diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index ed6ca573..2c8bdbad 100644
--- a/plugin/syntastic.vim
+++ b/plugin/syntastic.vim
@@ -19,7 +19,7 @@ if has('reltime')
     lockvar! g:_SYNTASTIC_START
 endif
 
-let g:_SYNTASTIC_VERSION = '3.8.0-9'
+let g:_SYNTASTIC_VERSION = '3.8.0-10'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1