Update runtime files.
diff --git a/runtime/doc/if_perl.txt b/runtime/doc/if_perl.txt
index cce3cdf..db0a92c 100644
--- a/runtime/doc/if_perl.txt
+++ b/runtime/doc/if_perl.txt
@@ -1,4 +1,4 @@
-*if_perl.txt* For Vim version 8.1. Last change: 2017 Nov 24
+*if_perl.txt* For Vim version 8.1. Last change: 2019 Jan 29
VIM REFERENCE MANUAL by Sven Verdoolaege
@@ -192,7 +192,7 @@
and inserting line breaks.
*perl-Blob*
-VIM::Blob({expr}) Return Blob literal string 0zXXXX from scalar value.
+VIM::Blob({expr}) Return |Blob| literal string 0zXXXX from scalar value.
*perl-SetHeight*
Window->SetHeight({height})