SubmittingPatches: use generic terms for hash

Denton-L · gitster · commit bd00717eab1f · 2019-11-20T13:33:36.000+09:00
Since Git is planning on upgrading from SHA-1 to be more hash-agnostic,
replace specific references to SHA-1 with more generic terminology.

Signed-off-by: Denton Liu &lt;liu.denton@gmail.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches
@@ -142,7 +142,7 @@ archive, summarize the relevant points of the discussion.
 
 [[commit-reference]]
 If you want to reference a previous commit in the history of a stable
-branch, use the format "abbreviated sha1 (subject, date)",
+branch, use the format "abbreviated hash (subject, date)",
 with the subject enclosed in a pair of double-quotes, like this:
 
 ....
