diff --git a/runtime/doc/if_ruby.txt b/runtime/doc/if_ruby.txt
index de36c01..0eca0b6 100644
--- a/runtime/doc/if_ruby.txt
+++ b/runtime/doc/if_ruby.txt
@@ -1,4 +1,4 @@
-*if_ruby.txt*   For Vim version 8.1.  Last change: 2019 May 05
+*if_ruby.txt*   For Vim version 8.1.  Last change: 2019 Jul 21
 
 
 		  VIM REFERENCE MANUAL    by Shugo Maeda
@@ -28,15 +28,19 @@
 :rub[y] {cmd}		Execute Ruby command {cmd}.  A command to try it out: >
 				:ruby print "Hello"
 
-:rub[y] << {endpattern}
+:rub[y] << [endpattern]
 {script}
 {endpattern}
 			Execute Ruby script {script}.
-			{endpattern} must NOT be preceded by any white space.
-			If {endpattern} is omitted, it defaults to a dot '.'
-			like for the |:append| and |:insert| commands.  This
-			form of the |:ruby| command is mainly useful for
+			The {endpattern} after {script} must NOT be preceded
+			by any white space.
+
+			If [endpattern] is omitted, it defaults to a dot '.'
+			like for the |:append| and |:insert| commands.
+
+			This form of the |:ruby| command is mainly useful for
 			including ruby code in vim scripts.
+
 			Note: This command doesn't work when the Ruby feature
 			wasn't compiled in.  To avoid errors, see
 			|script-here|.