diff --git a/doc/Language/regexes.pod6 b/doc/Language/regexes.pod6
index c4aeb2c4f..9be08bf15 100644
--- a/doc/Language/regexes.pod6
+++ b/doc/Language/regexes.pod6
@@ -537,7 +537,7 @@ character to be matched. For example:
 
 C<\X> matches a single character that is not the given Unicode codepoint.
 
-In addition, C<\x> and C<\X> can be used without brackets, in which case, any
+In addition, C<\x> and C<\X> can be used without square brackets, in which case, any
 characters that follow the C<x> or C<X> that are valid hexadecimal digits will
 be consumed. This means that all of these are equivalent:
 
diff --git a/xt/words.pws b/xt/words.pws
index 79a7b0145..f38a06ea0 100644
--- a/xt/words.pws
+++ b/xt/words.pws
@@ -1368,6 +1368,7 @@ typepretense
 tz
 ub
 uc
+ucd
 ucfirst
 udp
 ugt