fix: typo in create-client/custom.md (#1629)

Author: Pierstoval

create-client/custom.md

@@ -2,7 +2,7 @@
 
 Create Client provides support for many of the popular JS frameworks, but you may be using another framework or language and may need a solution adapted to your specific needs. For this cenario, you can write your own generator and pass it to the CLI using a path as the `-g` argument.
 
-You will probably want to extend or, at least, take a look at [BaseGenerator.js](https://github.com/api-platform/create-client/blob/main/src/generators/BaseGenerator.js), since the library expects some methods to be available, as well as one of the [included generators](https://github.com/api-platform/create-client/blob/main/src/generators/BaseGenerator.j) to make your own.
+You will probably want to extend or, at least, take a look at [BaseGenerator.js](https://github.com/api-platform/create-client/blob/main/src/generators/BaseGenerator.js), since the library expects some methods to be available, as well as one of the [included generators](https://github.com/api-platform/create-client/blob/main/src/generators/BaseGenerator.js) to make your own.
 
 ## Usage