diff --git a/language/functions.xml b/language/functions.xml
index a5ff99d522..016e0ea0ef 100644
--- a/language/functions.xml
+++ b/language/functions.xml
@@ -1040,7 +1040,10 @@ $newref =& returns_reference();
     <link linkend="functions.arguments.type-declaration.strict">Strict typing</link>
     also has an effect on return type declarations. In the default weak mode,
     returned values will be coerced to the correct type if they are not
-    already of that type. In strong mode, the returned value must be of the
+    already of that type. If this type conversion is not allowed 
+    (e.g. when returning an &array; from a function with return type &integer;),
+    a <classname>TypeError</classname> will be thrown.
+    In strict mode, the returned value must be of the
     correct type, otherwise a <classname>TypeError</classname> will be thrown.
    </para>