chore(README): fix typos (#3289)

README.md

@@ -2,7 +2,7 @@
 
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-Camunda Platform 7 is a flexible framework for workflow and process automation. It's core is a native BPMN 2.0 process engine that runs inside the Java Virtual Machine. It can be embedded inside any Java application and any Runtime Container. It integrates with Java EE 6 and is a perfect match for the Spring Framework. On top of the process engine, you can choose from a stack of tools for human workflow management, operations & monitoring.
+Camunda Platform 7 is a flexible framework for workflow and process automation. Its core is a native BPMN 2.0 process engine that runs inside the Java Virtual Machine. It can be embedded inside any Java application and any Runtime Container. It integrates with Java EE 6 and is a perfect match for the Spring Framework. On top of the process engine, you can choose from a stack of tools for human workflow management, operations and monitoring.
 
 - Web Site: https://www.camunda.org/
 - Getting Started: https://docs.camunda.org/get-started/