--- old/make/Docs.gmk	2018-02-26 21:31:45.316904343 +0100
+++ new/make/Docs.gmk	2018-02-26 21:31:44.980904345 +0100
@@ -61,7 +61,7 @@
     $(SUPPORT_OUTPUTDIR)/rmic/* $(TOPDIR)/src/*/share/doc/stub)
 
 # URLs
-JAVADOC_BASE_URL := http://www.oracle.com/pls/topic/lookup?ctx=javase9&id=homepage
+JAVADOC_BASE_URL := http://www.oracle.com/pls/topic/lookup?ctx=javase10&id=homepage
 BUG_SUBMIT_URL := http://bugreport.java.com/bugreport/
 COPYRIGHT_URL := {@docroot}/../legal/copyright.html
 LICENSE_URL := http://www.oracle.com/technetwork/java/javase/terms/license/java10speclicense.html