Doc: Add info on added files to Contributor Guide

diff --git a/Documentation/contributor/working.itexi b/Documentation/contributor/working.itexi
index 8eb5771577aee20fa2ff713bfb69e27f956ba882..dbdb77cacc425526184d165e69339378a583f426 100644 (file)
--- a/Documentation/contributor/working.itexi
+++ b/Documentation/contributor/working.itexi
@@ -689,7 +689,9 @@ git commit -a
 
 @noindent
 The @code{-a} is short for @code{--all} which includes modified
-and deleted files, but not newly created files.
+and deleted files, but only those newly created files that have
+previously been added.
+
 @end enumerate