From c27f6efa656f084146e48629c3d47acfcb24ba7a Mon Sep 17 00:00:00 2001
From: Jorge Orpinel <jorge@orpinel.com>
Date: Fri, 31 Jan 2020 20:03:17 -0600
Subject: [PATCH] diff: remove backquotes around "HEAD" per
 https://github.com/iterative/dvc/pull/3244#pullrequestreview-351263562

---
 dvc/command/diff.py    | 2 +-
 dvc/command/metrics.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dvc/command/diff.py b/dvc/command/diff.py
index e23fef94f..68899bb86 100644
--- a/dvc/command/diff.py
+++ b/dvc/command/diff.py
@@ -134,7 +134,7 @@ def add_parser(subparsers, parent_parser):
         "a_ref",
         help=(
             "Git reference to the older version to compare "
-            "(defaults to `HEAD`)"
+            "(defaults to HEAD)"
         ),
         nargs="?",
         default="HEAD",
diff --git a/dvc/command/metrics.py b/dvc/command/metrics.py
index e6d92b739..77d28bbf0 100644
--- a/dvc/command/metrics.py
+++ b/dvc/command/metrics.py
@@ -287,7 +287,7 @@ def add_parser(subparsers, parent_parser):
         nargs="?",
         help=(
             "Git reference to the older version to compare "
-            "(defaults to `HEAD`)"
+            "(defaults to HEAD)"
         ),
     )
     metrics_diff_parser.add_argument(