Update runtime files.
diff --git a/runtime/doc/if_ruby.txt b/runtime/doc/if_ruby.txt
index c9fc797..a98b620 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: 2018 Mar 15
+*if_ruby.txt* For Vim version 8.1. Last change: 2019 Jan 29
VIM REFERENCE MANUAL by Shugo Maeda
@@ -112,7 +112,7 @@
*ruby-blob*
Vim::blob({arg})
- Return Blob literal string from {arg}.
+ Return |Blob| literal string from {arg}.
*ruby-set_option*
Vim::set_option({arg})