Merge pull request spring-projects#4561 from vpavic/update-docs

* pr/4561:
  Fix incorrect default value for executable flag

Author: snicoll

spring-boot-docs/src/main/asciidoc/build-tool-plugins.adoc

@@ -392,7 +392,7 @@ want the other Boot features but not this one)
 
 |`executable`
 |Boolean flag to indicate if jar files are fully executable on Unix like operating
- systems. Defaults to `true`.
+ systems. Defaults to `false`.
 
 |`embeddedLaunchScript`
 |The embedded launch script to prepend to the front of the jar if it is fully executable.