website/docs: Fix some typos in plugin docs

website/docs/source/v2/plugins/guest-capabilities.html.md

@@ -44,7 +44,7 @@ Guest capabilities are defined by calling the `guest_capability` method,
 which takes two parameters: the guest to add the capability to, and the
 name of the capability itself. Then, the block argument returns a class
 that implements a method named the same as the capability. This is
-coverd in more detail in the next section.
+covered in more detail in the next section.
 
 ## Implementation
 
@@ -54,7 +54,7 @@ on the class returned from the `guest_capability` component, meaning that
 if it is an instance method, an instance should be returned.
 
 In general, class methods are used for capabilities. For example, here
-is the imlementation for the capability above:
+is the implementation for the capability above:
 
 ```ruby
 module Cap
@@ -67,7 +67,7 @@ end
 ```
 
 All capabilities get the Vagrant machine object as the first argument.
-Additional arguments are deterined by the specific capability, so view the
+Additional arguments are determined by the specific capability, so view the
 documentation or usage of the capability you're trying to implement for more
 information.
 

website/docs/source/v2/plugins/guests.html.md

@@ -51,7 +51,7 @@ is booted in order to determine what operating system the guest is running.
 If you detect that it is your operating system, return `true` from `detect?`.
 Otherwise, return `false`.
 
-Communication channels to the machine are guranteed to be running at this
+Communication channels to the machine are guaranteed to be running at this
 point, so the most common way to detect the operating system is to do
 some basic testing: