Update runtime files.
diff --git a/src/po/README.txt b/src/po/README.txt
index d283210..e60d1d2 100644
--- a/src/po/README.txt
+++ b/src/po/README.txt
@@ -30,7 +30,7 @@
 
 You might have to do the commands manually.  Example:
 
-   cd c:\vim\vim71
+   cd c:\vim\vim81
    mkdir runtime\lang\ja\LC_MESSAGES
    msgfmt -o runtime\lang\ja\LC_MESSAGES\vim.mo src\po\ja.po