@@ -226,7 +226,7 @@ The direct generators support the following parameters:
and 2. Any other value result in an bad request error being thrown.
Defaults to 2.
-`prefix_length`::
+`prefix_len`::
The number of minimal prefix characters that must
match in order be a candidate suggestions. Defaults to 1. Increasing
this number improves spellcheck performance. Usually misspellings don't