diff --git a/pages/docs/tools/generator/api.md b/pages/docs/tools/generator/api.md
index b51bc16d283e..41fb622f7a0d 100644
--- a/pages/docs/tools/generator/api.md
+++ b/pages/docs/tools/generator/api.md
@@ -47,7 +47,7 @@ Instantiates a new Generator object.
 - templateName `String` - Name of the template to generate.
 - targetDir `String` - Path to the directory where the files will be generated.
 - options `Object`
-    - [.templateParams] `String` - Optional parameters to pass to the template. Each template define their own params.
+    - [.templateParams] `Object.<string, string>` - Optional parameters to pass to the template. Each template define their own params.
     - [.entrypoint] `String` - Name of the file to use as the entry point for the rendering process. Use in case you want to use only a specific template file. Note: this potentially avoids rendering every file in the template.
     - [.noOverwriteGlobs] `Array.<String>` - List of globs to skip when regenerating the template.
     - [.disabledHooks] `Object.<String, (Boolean|String|Array.<String>)>` - Object with hooks to disable. The key is a hook type. If key has "true" value, then the generator skips all hooks from the given type. If the value associated with a key is a string with the name of a single hook, then the generator skips only this single hook name. If the value associated with a key is an array of strings, then the generator skips only hooks from the array.