vim-patch:3918f32: runtime(doc): fix incorrect description of 'scrolloffpad'

closes: vim/vim#20029

https://github.com/vim/vim/commit/3918f3232f874b3c96f8bfccc5049711f16c252e

runtime/doc/news.txt

@@ -159,7 +159,7 @@ the same range instances now compare equal.
 
 OPTIONS
 
-• 'scrolloffpad' allows keeping 'scrolloff' context at the end of file.
+• 'scrolloffpad' allows vertically centering cursor at the end of file.
 • 'winpinned' prevents window from closing unless specifically targeted.
 
 PERFORMANCE

runtime/doc/quickref.txt

@@ -841,7 +841,7 @@ Short explanation of each option:		*option-list*
 'scrollbind'	  'scb'     scroll in window as other windows scroll
 'scrolljump'	  'sj'	    minimum number of lines to scroll
 'scrolloff'	  'so'	    minimum nr. of lines above and below cursor
-'scrolloffpad'	  'sop'	    keep 'scrolloff' context at end of file
+'scrolloffpad'	  'sop'	    vertically center cursor at end of file
 'scrollopt'	  'sbo'     how 'scrollbind' should behave
 'sections'	  'sect'    nroff macros that separate sections
 'secure'		    secure mode for reading .vimrc in current dir

runtime/scripts/optwin.lua

@@ -59,7 +59,7 @@ local options_list = {
     { 'scroll', N_ 'number of lines to scroll for CTRL-U and CTRL-D' },
     { 'smoothscroll', N_ 'scroll by screen line' },
     { 'scrolloff', N_ 'number of screen lines to show around the cursor' },
-    { 'scrolloffpad', N_ "keep 'scrolloff' context even at end of file" },
+    { 'scrolloffpad', N_ 'vertically center cursor even at end of file' },
     { 'wrap', N_ 'long lines wrap' },
     { 'linebreak', N_ "wrap long lines at a character in 'breakat'" },
     { 'breakindent', N_ 'preserve indentation in wrapped text' },

src/nvim/options.lua

@@ -7272,7 +7272,7 @@ local options = {
       ]=],
       full_name = 'scrolloffpad',
       scope = { 'global', 'win' },
-      short_desc = N_("keep 'scrolloff' context even at end of file"),
+      short_desc = N_('vertically center cursor even at end of file'),
       type = 'number',
       varname = 'p_sop',
     },