fix typo and grammar mistakes (#1884)

* fix: fix typo

* fix: fix minor grammar error

Author: Rudeus3Greyrat

src/api/component-instance.md

@@ -170,7 +170,7 @@ An object that contains the component's fallthrough attributes.
 
 - **Details**
 
-  [Fallthrough Attributes](/guide/components/attrs.html) are attributes and event handlers passed by the parent component, but not declared as a prop or a emitted event by the child.
+  [Fallthrough Attributes](/guide/components/attrs.html) are attributes and event handlers passed by the parent component, but not declared as a prop or an emitted event by the child.
 
   By default, everything in `$attrs` will be automatically inherited on the component's root element if there is only a single root element. This behavior is disabled if the component has multiple root nodes, and can be explicitly disabled with the [`inheritAttrs`](./options-misc.html#inheritattrs) option.
 

src/api/composition-api-lifecycle.md

@@ -299,7 +299,7 @@ Registers a callback to be called after the component instance is removed from t
 
 ## onServerPrefetch() <sup class="vt-badge" data-text="SSR only" />
 
-Registers a async function to be resolved before the component instance is to be rendered on the server.
+Registers an async function to be resolved before the component instance is to be rendered on the server.
 
 - **Type**
 

src/partners/components/PartnerHero.vue

@@ -6,7 +6,7 @@ const { title = 'Vue Partners' } = defineProps<{ title?: string }>()
   <div class="PartnerHero">
     <h1 class="title">{{ title }}</h1>
     <p class="lead">
-      Vue Partners are Vue-team endorsed angencies that provide first-class
+      Vue Partners are Vue-team endorsed agencies that provide first-class
       Vue consulting and development services. If your company is
       interested in being listed as a partner, please
       <a href="https://airtable.com/shrCQhat57SApJI2l" target="_blank"