(ispell-dictionary-alist): Fix docstring.

diff --git a/lisp/textmodes/ispell.el b/lisp/textmodes/ispell.el
index d5171125ae8298be6f58031518a06130dbbbe7f3..a28764b54a1542c3f0906206cd312a66a2e8945e 100644 (file)
--- a/lisp/textmodes/ispell.el
+++ b/lisp/textmodes/ispell.el
@@ -671,6 +671,12 @@ regular expression \"[']\" for OTHERCHARS.  Then \"they're\" and
 If you want OTHERCHARS to be empty, use the empty string.
 Hint: regexp syntax requires the hyphen to be declared first here.
 
+CASECHAS, NOT-CASECHARS, and OTHERCHARS must be a unibyte string
+containing bytes of CHARACTER-SET.  In addition, if they contain
+a non-ASCII byte, the regular expression must be a single
+`character set' construct that doesn't specify a character range
+for non-ASCII bytes.
+
 MANY-OTHERCHARS-P is non-nil when multiple OTHERCHARS are allowed in a word.
 Otherwise only a single OTHERCHARS character is allowed to be part of any
 single word.