diff --git a/docs/rules/func-style.md b/docs/rules/func-style.md
index a44233419d3..14f01b0c4a9 100644
--- a/docs/rules/func-style.md
+++ b/docs/rules/func-style.md
@@ -55,7 +55,7 @@ This rule has a string option:
 
 This rule has an object option for an exception:
 
-* `"allowArrowFunctions": true` (default `false`) allows the use of arrow functions
+* `"allowArrowFunctions": true` (default `false`) allows the use of arrow functions (honoured only when using `declaration`)
 
 ### expression