diff --git a/doc/foot.ini.5.scd b/doc/foot.ini.5.scd
index 4b10d6d2..6da1c26c 100644
--- a/doc/foot.ini.5.scd
+++ b/doc/foot.ini.5.scd
@@ -112,7 +112,8 @@ in this order:
 
 *word-delimiters*
 	String of characters that act as word delimiters when selecting
-	text. Default: _,│`|:"'()[]{}<>_
+	text. Note that whitespace characters are _always_ word
+	delimiters, regardless of this setting. Default: _,│`|:"'()[]{}<>_
 
 
 # SECTION: scrollback