Update runtime files
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 2e0d19b..eadd7d9 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt* For Vim version 8.2. Last change: 2022 Feb 03
+*windows.txt* For Vim version 8.2. Last change: 2022 Apr 06
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -892,7 +892,7 @@
*preview-popup*
Alternatively, a popup window can be used by setting the 'previewpopup'
option. When set, it overrules the 'previewwindow' and 'previewheight'
-settings. The option is a comma separated list of values:
+settings. The option is a comma-separated list of values:
height maximum height of the popup
width maximum width of the popup
highlight highlight group of the popup (default is Pmenu)