diff --git a/dvc/exceptions.py b/dvc/exceptions.py
index 530f2fe6b..c40677170 100644
--- a/dvc/exceptions.py
+++ b/dvc/exceptions.py
@@ -38,7 +38,7 @@ class OutputNotFoundError(DvcException):
         self.output = output
         self.repo = repo
         super().__init__(
-            "unable to find DVC-file with output '{path}'".format(
+            "Unable to find DVC-file with output '{path}'".format(
                 path=relpath(self.output)
             )
         )
diff --git a/dvc/remote/config.py b/dvc/remote/config.py
index 26c023ee1..d97117ac3 100644
--- a/dvc/remote/config.py
+++ b/dvc/remote/config.py
@@ -33,7 +33,7 @@ class RemoteConfig(object):
 
         if settings is None:
             raise ConfigError(
-                "unable to find remote section '{}'".format(name)
+                "Unable to find remote section '{}'".format(name)
             )
 
         parsed = urlparse(settings["url"])
diff --git a/tests/func/test_get.py b/tests/func/test_get.py
index 9c69d66ae..efc3c1351 100644
--- a/tests/func/test_get.py
+++ b/tests/func/test_get.py
@@ -190,7 +190,7 @@ def test_get_url_not_existing(tmp_dir, erepo_dir, caplog):
             main(["get", fspath(erepo_dir), "not-existing-file", "--show-url"])
             == 1
         )
-        assert "failed to show url" in caplog.text
+        assert "Failed to show URL" in caplog.text
 
 
 def test_get_url_git_only_repo(tmp_dir, scm, caplog):
@@ -198,4 +198,4 @@ def test_get_url_git_only_repo(tmp_dir, scm, caplog):
 
     with caplog.at_level(logging.ERROR):
         assert main(["get", fspath(tmp_dir), "foo", "--show-url"]) == 1
-        assert "failed to show url" in caplog.text
+        assert "Failed to show URL" in caplog.text
diff --git a/tests/func/test_remote.py b/tests/func/test_remote.py
index c6d1cffe9..4a4ce4b30 100644
--- a/tests/func/test_remote.py
+++ b/tests/func/test_remote.py
@@ -255,5 +255,5 @@ def test_raise_on_too_many_open_files(tmp_dir, dvc, tmp_path_factory, mocker):
 def test_modify_missing_remote(dvc):
     remote_config = RemoteConfig(dvc.config)
 
-    with pytest.raises(ConfigError, match=r"unable to find remote section"):
+    with pytest.raises(ConfigError, match=r"Unable to find remote section"):
         remote_config.modify("myremote", "gdrive_client_id", "xxx")