Fix typo.

config.py

@@ -567,6 +567,7 @@ class Config(BaseConfig):
     class web(ConfigSection):
         theme = StringParameter(default="gray")
         api_row_limit = IntParameter(default=0)
+        api_unlimited_row_limit = IntParameter(default=1000)
         api_arch_alarm_limit = IntParameter(default=4 * 86400)
         max_upload_size = IntParameter(default=16777216)
         language = StringParameter(default="en")