diff --git a/layers/spell-checking/README.org b/layers/spell-checking/README.org
index fc58f879a..844af7e36 100644
--- a/layers/spell-checking/README.org
+++ b/layers/spell-checking/README.org
@@ -50,6 +50,36 @@ the variable =spell-checking-enable-auto-dictionary= to something other than
   '((spell-checking :variables spell-checking-enable-auto-dictionary t)))
 #+END_SRC
 
+Some people encountered bugs with =auto-dictionary-mode=, especially in *daemon
+mode* where new =emacsclient= open directly freezed. If so, no other workaround
+have been found yet than disabling =auto-dictionary-mode= completely.
+
+Not all languages are supported by =auto-dictionary-list=. The supported
+languages are listed in the =adict-language-list= variable, that can be checked
+with =spacemacs/describe-variable=. For convenience, here is the list of
+currently supported language:
+
+| Language          |
+|-------------------|
+| catalan           |
+| classical greek   |
+| danish            |
+| english           |
+| esperanto         |
+| french            |
+| german            |
+| hindi             |
+| hungarian         |
+| modern greek      |
+| norwegian bokmål  |
+| norwegian nynorsk |
+| portuguese        |
+| romanian          |
+| slovak            |
+| slovene           |
+| spanish           |
+| swedish           |
+
 * Key Bindings
 
 | Key Binding | Description              |