doc: Add ale_cpp_astyle_options in ale-cpp

1 files changed, 13 insertions, 0 deletions

diff --git a/doc/ale-cpp.txt b/doc/ale-cpp.txt
index ba7ea7fc..206a1a87 100644
--- a/doc/ale-cpp.txt
+++ b/doc/ale-cpp.txt
@@ -24,6 +24,19 @@ g:ale_cpp_astyle_executable                       *g:ale_cpp_astyle_executable*
   This variable can be changed to use a different executable for astyle.
 
 
+g:ale_cpp_astyle_options                             *g:ale_cpp_astyle_options*
+                                                     *b:ale_cpp_astyle_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be changed to use an option file for project level
+  configurations. Provide only the filename of the option file that should be
+  present at the project's root directory. 
+
+  For example, if .astylrc is specified, the file is searched in the parent
+  directories of the source file's directory. 
+
+
 ===============================================================================
 clang                                                           *ale-cpp-clang*