diff --git a/git_sim/enums.py b/git_sim/enums.py
index f579933..7a22e17 100644
--- a/git_sim/enums.py
+++ b/git_sim/enums.py
@@ -15,10 +15,10 @@ class StashSubCommand(Enum):
 
 
 class ColorByOptions(Enum):
-    author = "author"
-    branch = "branch"
-    notlocal1 = "notlocal1"
-    notlocal2 = "notlocal2"
+    AUTHOR = "author"
+    BRANCH = "branch"
+    NOTLOCAL1 = "notlocal1"
+    NOTLOCAL2 = "notlocal2"
 
 
 class StyleOptions(Enum):
diff --git a/git_sim/git_sim_base_command.py b/git_sim/git_sim_base_command.py
index 3d970fb..a8de08b 100644
--- a/git_sim/git_sim_base_command.py
+++ b/git_sim/git_sim_base_command.py
@@ -1252,7 +1252,7 @@ def create_zone_text(
             thirdColumnFilesDict[f] = text
 
     def color_by(self, offset=0):
-        if settings.color_by == ColorByOptions.author:
+        if settings.color_by == ColorByOptions.AUTHOR:
             sorted_authors = sorted(
                 self.author_groups.keys(),
                 key=lambda k: len(self.author_groups[k]),
@@ -1282,17 +1282,17 @@ def color_by(self, offset=0):
             self.recenter_frame()
             self.scale_frame()
 
-        elif settings.color_by == ColorByOptions.branch:
+        elif settings.color_by == ColorByOptions.BRANCH:
             pass
 
-        elif settings.color_by == ColorByOptions.notlocal1:
+        elif settings.color_by == ColorByOptions.NOTLOCAL1:
             for commit_id in self.drawnCommits:
                 try:
                     self.orig_repo.commit(commit_id)
                 except ValueError:
                     self.drawnCommits[commit_id].set_color(m.GOLD)
 
-        elif settings.color_by == ColorByOptions.notlocal2:
+        elif settings.color_by == ColorByOptions.NOTLOCAL2:
             for commit_id in self.drawnCommits:
                 if not self.orig_repo.is_ancestor(commit_id, "HEAD"):
                     self.drawnCommits[commit_id].set_color(m.GOLD)
diff --git a/git_sim/push.py b/git_sim/push.py
index 24ad905..a8781bf 100644
--- a/git_sim/push.py
+++ b/git_sim/push.py
@@ -12,6 +12,7 @@
 
 from git_sim.git_sim_base_command import GitSimBaseCommand
 from git_sim.settings import settings
+from git_sim.enums import ColorByOptions
 
 
 class Push(GitSimBaseCommand):
@@ -76,12 +77,12 @@ def construct(self):
                 push_result = 1
                 self.orig_repo = self.repo
                 self.repo = self.remote_repo
-                settings.color_by = "notlocal1"
+                settings.color_by = ColorByOptions.NOTLOCAL1
             elif "rejected" in e.stderr and ("non-fast-forward" in e.stderr):
                 push_result = 2
                 self.orig_repo = self.repo
                 self.repo = self.remote_repo
-                settings.color_by = "notlocal2"
+                settings.color_by = ColorByOptions.NOTLOCAL2
             else:
                 print(f"git-sim error: git push failed: {e.stderr}")
                 return
@@ -173,7 +174,7 @@ def failed_push(self, push_result):
             text2.move_to(text1.get_center()).shift(m.DOWN / 2)
 
             text3 = m.Text(
-                f"Gold commits exist are ahead of your current branch tip (need to be pulled).",
+                f"Gold commits are ahead of your current branch tip (need to be pulled).",
                 font="Monospace",
                 font_size=20,
                 color=m.GOLD,