Fix typo in devtools example

Closes gh-18679

spring-boot-project/spring-boot-docs/src/main/asciidoc/using-spring-boot.adoc

@@ -900,7 +900,7 @@ You can configure global devtools settings by adding any of the following files
 Any properties added to these file apply to _all_ Spring Boot applications on your machine that use devtools.
 For example, to configure restart to always use a <<using-boot-devtools-restart-triggerfile, trigger file>>, you would add the following property:
 
-.~/config/spring-boot/spring-boot-devtools.properties
+.~/.config/spring-boot/spring-boot-devtools.properties
 [source,properties,indent=0,configprops]
 ----
 	spring.devtools.restart.trigger-file=.reloadtrigger