diff -r 5429549751ad -r daa1590082a3 nashorn/make/project.properties
--- a/nashorn/make/project.properties	Mon Oct 10 15:17:02 2016 -0700
+++ b/nashorn/make/project.properties	Wed Jul 05 22:19:40 2017 +0200
@@ -36,7 +36,7 @@
 javac.target=1.9
 
 javadoc.option=\
-    -tag "implSpec:a:Implementation Requirements:"\
+    -tag "implSpec:a:Implementation Requirements:" \
     -tag "implNote:a:Implementation Note:"
 
 # nashorn version information