runtime(doc): style: clarify to prefer 2 spaces after a sentence
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/helphelp.txt b/runtime/doc/helphelp.txt
index 26804d5..647c35a 100644
--- a/runtime/doc/helphelp.txt
+++ b/runtime/doc/helphelp.txt
@@ -1,4 +1,4 @@
-*helphelp.txt* For Vim version 9.1. Last change: 2025 Apr 08
+*helphelp.txt* For Vim version 9.1. Last change: 2025 Apr 21
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -383,6 +383,10 @@
help file it's best to copy one of the existing files and use it as a
template.
+Vim help files generally use 2 spaces after a sentence (since they are written
+using a fixed-width font and that was the prefered style in the 70s/80s), like
+what is described here: https://english.stackexchange.com/a/2602
+
The first line in a help file should have the following format:
*plugin_name.txt* {short description of the plugin}