diff --git a/kitty/options/definition.py b/kitty/options/definition.py
index 2fe09fd46..c563728b4 100644
--- a/kitty/options/definition.py
+++ b/kitty/options/definition.py
@@ -214,18 +214,22 @@ opt('undercurl_style', 'thin-sparse', ctype='undercurl_style',
 The style with which undercurls are rendered. This option takes the form
 :code:`(thin|thick)-(sparse|dense)`. Thin and thick control the thickness of the
 undercurl. Sparse and dense control how often the curl oscillates. With sparse
-the curl will peak once per character, with dense twice.
+the curl will peak once per character, with dense twice. Changing this
+option dynamically via reloading the config or remote control is undefined.
 '''
     )
 
+
 opt('underline_exclusion', '1', option_type='underline_exclusion', ctype='!underline_exclusion', long_text='''
 By default kitty renders gaps in underlines when they overlap with descenders
 (the parts of letters below the baseline, such as for y, q, p etc.). This option
 controls the thickness of the gaps. It can be either a unitless number in which
 case it is a fraction of the underline thickness as specified in the font or
-it can have a suffix of :code:`px` for pixels or :code:`pt` for points.
+it can have a suffix of :code:`px` for pixels or :code:`pt` for points. Changing this
+option dynamically via reloading the config or remote control is undefined.
 ''')
 
+
 opt('text_composition_strategy', 'platform',
     ctype='!text_composition_strategy',
     long_text='''