Fixed heading name (#690)

Fixed name from paramameter to parameter

Author: ruhanponnada

components/fields.mdx

@@ -6,7 +6,7 @@ icon: 'letter-text'
 
 There are two types of fields: Paramameter Fields and Response Fields.
 
-## Paramameter Field
+## Parameter Field
 
 A `ParamField` component is used to define the parameters for your APIs or SDKs. Adding a `ParamField` will automatically add an [API Playground](/api-playground/overview).
 
@@ -116,4 +116,4 @@ The `<ResponseField>` component is designed to define the return values of an AP
 
 <ResponseField name="post" type="string[]">
   Labels that are shown after the name of the field
-</ResponseField>
+</ResponseField>