Fix formatting (docker#74)

Matthew Baxa · Mano Marks · commit 08e02d11b332 · 2016-10-12T09:41:55.000-07:00
A code fence was indented causing the rest of the document to be rendered incorrectly.
diff --git a/java/chapters/ch02-basic-concepts.adoc b/java/chapters/ch02-basic-concepts.adoc
@@ -92,7 +92,7 @@ Server:
  Built:        Tue Jul  5 02:20:13 2016
  OS/Arch:      linux/amd64
  Experimental: true
- ```
+```
 
 The common commands that'll be used are:
 
