Update runtime files
diff --git a/runtime/doc/popup.txt b/runtime/doc/popup.txt
index 5122994..dce2a90 100644
--- a/runtime/doc/popup.txt
+++ b/runtime/doc/popup.txt
@@ -1,4 +1,4 @@
-*popup.txt*  For Vim version 8.2.  Last change: 2020 Feb 20
+*popup.txt*  For Vim version 8.2.  Last change: 2020 Mar 14
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -152,6 +152,8 @@
   then becomes hidden.
 - The default Pmenu color is only used for the border and padding.  To change
   the color of the terminal itself set 'wincolor'.
+- The default minimal size is 5 lines of 20 characters; Use the "minwidth" and
+  "minheight" parameters to set a different value.
 
 To run a terminal in a popup window, first create the terminal hidden.  Then
 pass the buffer number to popup_create().  Example: >
@@ -566,7 +568,8 @@
 
 If you want to create a new buffer yourself use |bufadd()| and pass the buffer
 number to popup_create().
-It is not possible to use the buffer of a terminal window. *E278*
+It is not possible to use the buffer of a terminal window. *E278*  You CAN
+create a hidden terminal buffer and use that one in a popup window.
 
 The second argument of |popup_create()| is a dictionary with options:
 	line		Screen line where to position the popup.  Can use a