diff --git a/adev/src/content/best-practices/runtime-performance/zone-pollution.md b/adev/src/content/best-practices/runtime-performance/zone-pollution.md
index d1b6d729d6d..e232ec090b5 100644
--- a/adev/src/content/best-practices/runtime-performance/zone-pollution.md
+++ b/adev/src/content/best-practices/runtime-performance/zone-pollution.md
@@ -120,4 +120,4 @@ class AppComponent implements OnInit {
 }
 </docs-code>
 
-The scenario of dispatching events outside of the Angular zone may also arise. It's important to remember that triggering change detection (for example, manually) may result to the creation/update of views outside of the Angular zone.
\ No newline at end of file
+The scenario of dispatching events outside of the Angular zone may also arise. It's important to remember that triggering change detection (for example, manually) may result in the creation/update of views outside of the Angular zone.
\ No newline at end of file
diff --git a/adev/src/content/guide/forms/form-validation.md b/adev/src/content/guide/forms/form-validation.md
index 699eed94cc0..e36fcee4af6 100644
--- a/adev/src/content/guide/forms/form-validation.md
+++ b/adev/src/content/guide/forms/form-validation.md
@@ -268,7 +268,7 @@ The following code creates the validator class, `UniqueRoleValidator`, which imp
 
 <docs-code path="adev/src/content/examples/form-validation/src/app/shared/role.directive.ts" visibleRegion="async-validator"/>
 
-The `actorsService` property is initialized with an instace of the `ActorsService` token, which defines the following interface.
+The `actorsService` property is initialized with an instance of the `ActorsService` token, which defines the following interface.
 
 <docs-code language="typescript">
 interface ActorsService {
diff --git a/adev/src/content/guide/i18n/merge.md b/adev/src/content/guide/i18n/merge.md
index caf0bdf9dc4..55a58ebbedd 100644
--- a/adev/src/content/guide/i18n/merge.md
+++ b/adev/src/content/guide/i18n/merge.md
@@ -4,7 +4,7 @@ To merge the completed translations into your project, complete the following ac
 
 1. Use the [Angular CLI][CliMain] to build a copy of the distributable files of your project
 1. Use the `"localize"` option to replace all of the i18n messages with the valid translations and build a localized variant application.
-    A variant application is a complete a copy of the distributable files of your application translated for a single locale.
+    A variant application is a complete copy of the distributable files of your application translated for a single locale.
 
 After you merge the translations, serve each distributable copy of the application using server-side language detection or different subdirectories.
 
diff --git a/adev/src/content/guide/i18n/prepare.md b/adev/src/content/guide/i18n/prepare.md
index d17b565665f..88482a6ad4f 100644
--- a/adev/src/content/guide/i18n/prepare.md
+++ b/adev/src/content/guide/i18n/prepare.md
@@ -32,7 +32,7 @@ To mark the greeting for translation, add the `i18n` attribute to the `<h1>` tag
 
 ### using conditional statement with `i18n`
 
-The following `<div>` tag will display translated text as part of `div` and `aria-label` based on toggle status 
+The following `<div>` tag will display translated text as part of `div` and `aria-label` based on toggle status
 
 <docs-code-multifile>
     <docs-code header="src/app/app.component.html" path="adev/src/content/examples/i18n/src/app/app.component.html"  visibleRegion="i18n-conditional"/>
@@ -223,7 +223,7 @@ An ICU expression includes a component property, an ICU clause, and the case sta
 
 </docs-code>
 
-The component property defines the variable
+The component property defines the variable.
 An ICU clause defines the type of conditional text.
 
 | ICU clause                                                           | Details                                                             |