Fix output of "spring --version" in reference documentation

See gh-28831

Author: mikrethor

spring-boot-project/spring-boot-docs/src/docs/asciidoc/getting-started/installing.adoc

@@ -97,7 +97,7 @@ Get SDKMAN! from https://sdkman.io and install Spring Boot by using the followin
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 	$ sdk install springboot
 	$ spring --version
-	Spring Boot v{spring-boot-version}
+	Spring CLI v{spring-boot-version}
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 If you develop features for the CLI and want access to the version you built, use the following commands: