Merge pull request #1298 from Shopify/fix-documentation-typos

Fix typos in documentation

Author: paulomarg

docs/usage/custom_apps.md

@@ -10,7 +10,7 @@ You can follow instructions for [initializing the session object](#initializing-
 Following is a basic example to construct a simple Session object. You can see full list of parameters for this object in the [class definition](https://github.com/Shopify/shopify-api-ruby/blob/main/lib/shopify_api/auth/session.rb)
 ```ruby
 session = ShopifyAPI::Auth::Session.new(
-  shop: "#{your_shop_name}.myshopify.com"
+  shop: "#{your_shop_name}.myshopify.com",
   access_token: "the_token_for_your_custom_app_found_in_admin"
 )
 
@@ -23,7 +23,7 @@ Example:
 def make_api_request(shop)
   # 1. create session object
     session = ShopifyAPI::Auth::Session.new(
-      shop: "#{your_shop_name}.myshopify.com"
+      shop: "#{your_shop_name}.myshopify.com",
       access_token: "the_token_for_your_custom_app_found_in_admin"
     )
 
@@ -49,7 +49,7 @@ Example:
 def configure_app
   # This method is called before making authenticated API calls
   session = ShopifyAPI::Auth::Session.new(
-      shop: "#{your_shop_name}.myshopify.com"
+      shop: "#{your_shop_name}.myshopify.com",
       access_token: "the_token_for_your_custom_app_found_in_admin"
     )
 

docs/usage/rest.md

@@ -218,7 +218,7 @@ If the request is successful these methods will all return a [`ShopifyAPI::Clien
 | Methods | Type | Notes |
 |---------|------|-------|
 | `code`  |`Integer`| HTTP Response code, e.g. `200`|
-| `header` |`Hash{String, [String]}` | HTTP Response headers |
+| `headers` |`Hash{String, [String]}` | HTTP Response headers |
 | `body`  | `Hash{String, Untyped}`  | HTTP Response body |
 | `prev_page_info` | `String` | See [Pagination](#pagination)|
 | `next_page_info` | `String` | See [Pagination](#pagination)|