Merge branch '2.0.x' into 2.1.x

ci/README.adoc

 == Concourse pipeline
 
-Ensure that you've have a spring-boot target logged in
+Ensure that you've setup the spring-boot target and can login
 
 [source]
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-$ fly -t spring-boot login -n spring-boot -c https://ci.spring-io
+$ fly -t spring-boot login -n spring-boot -c https://ci.spring.io
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 The pipeline can be deployed using the following command: