Update runtime files
diff --git a/runtime/doc/popup.txt b/runtime/doc/popup.txt
index de60920..c582d4c 100644
--- a/runtime/doc/popup.txt
+++ b/runtime/doc/popup.txt
@@ -1,4 +1,4 @@
-*popup.txt* For Vim version 8.2. Last change: 2021 Feb 21
+*popup.txt* For Vim version 8.2. Last change: 2021 Aug 03
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -904,6 +904,8 @@
cursor keys select another entry
Tab accept current suggestion
+When CTRL-C is pressed the popup is closed, the filter will not be invoked.
+
A mouse click arrives as <LeftMouse>. The coordinates can be obtained with
|getmousepos()|.