--- a/testing/mozharness/configs/merge_day/release_to_esr.py
+++ b/testing/mozharness/configs/merge_day/release_to_esr.py
@@ -17,23 +17,23 @@ config = {
         ("browser/confvars.sh",
          "ACCEPTED_MAR_CHANNEL_IDS=firefox-mozilla-release",
          "ACCEPTED_MAR_CHANNEL_IDS=firefox-mozilla-esr"),
         ("browser/confvars.sh",
          "MAR_CHANNEL_ID=firefox-mozilla-release",
          "MAR_CHANNEL_ID=firefox-mozilla-esr"),
         ("build/mozconfig.common",
          "# Enable checking that add-ons are signed by the trusted root",
-         "# Disable checking that add-ons are signed by the trusted root")
+         "# Disable checking that add-ons are signed by the trusted root"),
         ("build/mozconfig.common",
          "MOZ_ADDON_SIGNING=${MOZ_ADDON_SIGNING-1}",
          "MOZ_ADDON_SIGNING=${MOZ_ADDON_SIGNING-0}"),
         ("build/mozconfig.common",
          "# Enable enforcing that add-ons are signed by the trusted root",
-         "# Disable enforcing that add-ons are signed by the trusted root")
+         "# Disable enforcing that add-ons are signed by the trusted root"),
         ("build/mozconfig.common",
          "MOZ_REQUIRE_SIGNING=${MOZ_REQUIRE_SIGNING-1}",
          "MOZ_REQUIRE_SIGNING=${MOZ_REQUIRE_SIGNING-0}"),
     ],
     "vcs_share_base": os.path.join(ABS_WORK_DIR, 'hg-shared'),
     # "hg_share_base": None,
     "tools_repo_url": "https://hg.mozilla.org/build/tools",
     "tools_repo_branch": "default",