Typo in README.md

README.md

@@ -94,7 +94,7 @@ N`, where N is the (possibly fractional) number of seconds to wait.
 
 ### Monitoring with Nagios, Icinga, or similar software
 
-If the program is named `check_doh` or ` check_doh` (either from
+If the program is named `check_doh` or ` check_dot` (either from
 copying or symbolic linking), it will behave as a [monitoring
 plugin](https://www.monitoring-plugins.org/), suitable to be used from monitoring program like Nagios
 or [Icinga](https://icinga.com/). The options are different in that case, and follow the