doc: fix a minor typo in changelog

Author: sebix

CHANGELOG.md

@@ -367,7 +367,7 @@ This is short list of the most important known issues. The full list can be retr
 - Added an ExpertBot class - it should be used by all expert bots as a parent class
 - Introduced a module for IntelMQ related datatypes `intelmq.lib.datatypes` which for now only contains an Enum listing the four bot types
 - Added a `bottype` attribute to CollectorBot, ParserBot, ExpertBot, OutputBot
-- Introduces a module for IntelMQ processmanagers. The processmanagers were up until now part of the intelmqct script.
+- Introduces a module for IntelMQ processmanagers. The processmanagers were up until now part of the intelmqctl script.
   They now reside in `intelmq.lib.processmanager` which also contains an interface definition the processmanager implementations must adhere to.
   Both the processmanagers and the `intelmqctl` script were cleaned up a bit.
   The `LogLevel` and `ReturnType` Enums were added to `intelmq.lib.datatypes`.