diff --git a/tabpy/tabpy_server/handlers/base_handler.py b/tabpy/tabpy_server/handlers/base_handler.py
index 5a5be72d..0b20ca4f 100644
--- a/tabpy/tabpy_server/handlers/base_handler.py
+++ b/tabpy/tabpy_server/handlers/base_handler.py
@@ -434,7 +434,7 @@ def fail_with_auth_error(self):
                 log_message="Invalid credentials provided.",
             )
         else:
-            self.logger.log(logging.ERROR, "Failing with 406 for not acceptable")
+            self.logger.log(logging.ERROR, "Failing with 406 for Not Acceptable")
             self.set_status(406)
             self.set_header("WWW-Authenticate", f'Basic realm="{self.tabpy_state.name}"')
             self.error_out(