diff --git a/main.py b/main.py
index 01692ac70..1794e839d 100644
--- a/main.py
+++ b/main.py
@@ -19,7 +19,7 @@ def main():
         "--history-file",
         metavar="HISTORY_FILE",
         default=os.environ.get("CODER_HISTORY_FILE", ".coder.history"),
-        help="Specify the history file (default: .coder.history, env: CODER_HISTORY_FILE)",
+        help="Specify the history file (default: .coder.history, $CODER_HISTORY_FILE)",
     )
     parser.add_argument(
         "--model",
@@ -45,7 +45,7 @@ def main():
         "--no-pretty",
         action="store_false",
         dest="pretty",
-        help="Disable prettyd output of GPT responses (env: CODER_PRETTY)",
+        help="Disable pretty output of GPT responses ($CODER_PRETTY)",
         default=bool(int(os.environ.get(env_prefix + "PRETTY", 1))),
     )
     parser.add_argument(
@@ -56,7 +56,7 @@ def main():
     parser.add_argument(
         "--commit-dirty",
         action="store_true",
-        help="Commit dirty files without confirmation (default: False, env: CODER_COMMIT_DIRTY)",
+        help="Commit dirty files without confirmation (default: False, $CODER_COMMIT_DIRTY)",
         default=bool(int(os.environ.get(env_prefix + "COMMIT_DIRTY", 0))),
     )
     args = parser.parse_args()
@@ -78,4 +78,4 @@ def main():
 
 if __name__ == "__main__":
     status = main()
-    sys.exit(status)
\ No newline at end of file
+    sys.exit(status)