--- a/java.rst	Tue Jan 29 01:54:23 2019 +0200
+++ b/java.rst	Tue Jan 29 18:00:52 2019 +0200
@@ -222,13 +222,16 @@
 
   $ jmap -dump:live,format=b,file=heap.dump $PID
 
-Creating heap dump on OutOfMemory error.
-========================================
+Creating heap dump on OutOfMemory error
+=======================================
 
 Run Java application with::
 
   -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/path/to/heap.dump
 
+https://docs.oracle.com/javase/7/docs/webnotes/tsg/TSG-VM/html/clopts.html
+  B.1.2 -XX:+HeapDumpOnOutOfMemoryError Option.
+
 Debug class loading.
 ====================