add length option to nanoid

content/200-orm/500-reference/100-prisma-schema-reference.mdx

@@ -3150,7 +3150,7 @@ model User {
 
 ### `nanoid()`
 
-Generated values based on the [Nano ID](https://github.com/ai/nanoid) spec. `nanoid()` also accepts an integer value that indicates the target _length_ of the generated ID value, e.g. `nanoid(16)`. The default value is `21`.
+Generated values based on the [Nano ID](https://github.com/ai/nanoid) spec. `nanoid()` accepts an integer value between 2 and 255 that specifies the _length_ of the generated ID value, e.g. `nanoid(16)` will generated ID with 16 characters. If you don't provide a value to the nanoid() function, the default value is 21.
 
 :::info
 
@@ -3173,7 +3173,7 @@ There are two main differences between Nano ID and UUID v4:
 
 #### Examples
 
-##### Generate `nanoid()` values (with 21 characters) as IDs
+##### Generate `nanoid()` values with 21 characters as IDs
 
 <TabbedContent code>
 <TabItem value="Relational databases">
@@ -3198,7 +3198,7 @@ model User {
 </TabItem>
 </TabbedContent>
 
-##### Generate `nanoid()` values (with 16 characters) as IDs
+##### Generate `nanoid()` values with 16 characters as IDs
 
 <TabbedContent code>
 <TabItem value="Relational databases">