diff --git a/syntax/po.nanorc b/syntax/po.nanorc
index d42594f76dd55d531ea51fb945e882922ca7cab4..2adbb5f98d4ad433688aa94aa0ab68030b76b6b9 100644
--- a/syntax/po.nanorc
+++ b/syntax/po.nanorc
@@ -24,6 +24,6 @@ color brightmagenta "%([1-9]\$)?[a-z]*"
 color yellow "\""
 color cyan "\\n"
 # Reminders.
-color ,yellow "(FIXME|TODO|XXX)"
+color brightwhite,yellow "(FIXME|TODO|XXX)"
 # Obsolete strings.
 color red "#~.*$"
diff --git a/syntax/python.nanorc b/syntax/python.nanorc
index b59243531b2d95266899bce327e1513f543f83c9..ef1dfa012213ac014bcb9556d132d555ace51a3c 100644
--- a/syntax/python.nanorc
+++ b/syntax/python.nanorc
@@ -23,8 +23,11 @@ color brightred "(^|[[:blank:]])#.*$"
 color brightgreen    start="'''([^'),]|$)" end="(^|[^(\])'''"
 color brightgreen start="\"\"\"([^"),]|$)" end="(^|[^(\])\"\"\""
 
+# Special values.
+color brightmagenta "\<(False|None|True)\>"
+
 # Reminders.
-color ,yellow "(FIXME|TODO|XXX)"
+color brightwhite,yellow "(FIXME|TODO|XXX)"
 
 # Trailing whitespace.
 color ,green "[[:space:]]+$"