Slight typo. Changing an to a immediately before BPMN Engine

Author: ryanfoust

snippets/auto-tenant-generator/dynamo/README.md

@@ -1,5 +1,5 @@
 # Dynamic Tenant Per Engine 
-Spring Boot Application using [Camunda](http://docs.camunda.org) to create a multi-tenant system by configuring an BPMN engine per-tenant and attaching to the same database. 
+Spring Boot Application using [Camunda](http://docs.camunda.org) to create a multi-tenant system by configuring a BPMN engine per-tenant and attaching to the same database. 
 
 Important bit is the same app can be deployed with diefferent environment configuration automatically creating a new tenant.
 
@@ -145,4 +145,4 @@ Built and tested against Camunda BPM version 7.11.0.
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