Fix typo: Intellij -> IntelliJ (#1296)

topics/appendix/tools/gradle_intellij_plugin/tools_gradle_intellij_plugin_examples.md

@@ -35,7 +35,7 @@ As examples of using this plugin, you can also check out the following projects:
     - Fully written in Kotlin
     - Uses template language
 - [F# plugin](https://github.com/JetBrains/resharper-fsharp/tree/net222/rider-fsharp) for JetBrains Rider
-- [Intellij Rainbow Brackets](https://github.com/izhangzhihao/intellij-rainbow-brackets)
+- [IntelliJ Rainbow Brackets](https://github.com/izhangzhihao/intellij-rainbow-brackets)
     - Fully written in Kotlin
     - Uses other IntelliJ IDEA plugins as test dependencies
     - Circle CI configuration file & Travis CI configuration file

topics/basics/getting_started/theme/themes_extras.md

@@ -8,7 +8,7 @@ Themes can also provide custom color and font settings, as well as custom images
 
 ## Adding a Custom Editor Scheme
 
-Users of IntelliJ Platform-based IDEs, such as Intellij IDEA, can set preferences to configure the colors and fonts used in the Editor.
+Users of IntelliJ Platform-based IDEs, such as IntelliJ IDEA, can set preferences to configure the colors and fonts used in the Editor.
 These custom color and font settings are called _Editor Color Schemes_.
 
 ### Creating a Custom Editor Scheme Using Settings

topics/intro/intellij_platform.md

@@ -50,7 +50,7 @@ Instead, the platform is considered to be an almost complete overlap with the [I
 Please note: starting with the 2021.1 release, some plugins bundled with IntelliJ IDEA Community Edition are not open-source.
 
 The version of the IntelliJ Platform is defined by the version of the corresponding IntelliJ IDEA Community Edition release.
-For example, to build a plugin against IntelliJ IDEA (2019.1.1), build #191.6707.61 means specifying the same build number tag to get the correct Intellij Platform files from the `intellij-community` repository.
+For example, to build a plugin against IntelliJ IDEA (2019.1.1), build #191.6707.61 means specifying the same build number tag to get the correct IntelliJ Platform files from the `intellij-community` repository.
 See the [](build_number_ranges.md) page for more information about build numbers corresponding to version numbering.
 
 Typically, an IDE that is based on the IntelliJ Platform will include the `intellij-community` repository as a Git submodule and provide configuration to describe which plugins from the `intellij-community`, and which custom plugins will make up the product.

topics/intro/sdk_style.md

@@ -13,7 +13,7 @@ First and foremost, we should keep in mind our audience and their objectives:
 _Someone reading technical content is usually looking to answer a specific question.
 That question might be broad or narrowly-focused, but either way, our goal is to provide answers without distraction._
 
-The style of the Intellij Platform SDK documentation is captured by using a markup language named [Markdown](https://github.github.com/gfm/).
+The style of the IntelliJ Platform SDK documentation is captured by using a markup language named [Markdown](https://github.github.com/gfm/).
 
 To verify grammar and correct spelling, it is highly recommended to use [Grazie Professional](https://plugins.jetbrains.com/plugin/16136-grazie-professional) plugin to highlight any issues on-the-fly in the IDE.
 

topics/products/androidstudio/android_studio.md

@@ -152,7 +152,7 @@ See [](extension_point_list.md#android-plugin).
 ## Open Source Plugins for Android Studio
 
 When learning new development configurations, it is helpful to have some representative projects for reference:
-* [ADB Idea](https://github.com/pbreault/adb-idea) plugin for Android Studio and Intellij IDEA that speeds up Android development.
+* [ADB Idea](https://github.com/pbreault/adb-idea) plugin for Android Studio and IntelliJ IDEA that speeds up Android development.
 * [Android postfix plugin](https://github.com/takahirom/android-postfix-plugin) for Android Studio.
 * [Flutter Plugin](https://github.com/flutter/flutter-intellij).
 * Bal Sikandar's [list of Android Studio plugins](https://github.com/balsikandar/Android-Studio-Plugins).

topics/tutorials/custom_language_support/quick_fix.md

@@ -40,7 +40,7 @@ For a more in-depth example of an Intention Action, see [`conditional_operator_i
 ## Update the Annotator
 When a `badProperty` annotation is created, the `badProperty.registerFix()` method in
 [`SimpleAnnotator`](%gh-sdk-samples%/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleAnnotator.java) is called.
-This method call registers the `SimpleCreatePropertyQuickFix` as the Intention Action for the Intellij Platform to use to correct the problem.
+This method call registers the `SimpleCreatePropertyQuickFix` as the Intention Action for the IntelliJ Platform to use to correct the problem.
 
 ```java
 ```

topics/tutorials/custom_language_support/syntax_highlighter_and_color_settings_page.md

@@ -22,7 +22,7 @@ A plugin can also define color settings based on `ColorSettingPage` so the user
 ## Define a Syntax Highlighter
 
 The [`SimpleSyntaxHighlighter`](%gh-sdk-samples%/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleSyntaxHighlighter.java) class extends [`SyntaxHighlighterBase`](%gh-ic%/platform/editor-ui-api/src/com/intellij/openapi/fileTypes/SyntaxHighlighterBase.java).
-As recommended in [Color Scheme Management](color_scheme_management.md#text-attribute-key-dependency), the Simple Language highlighting text attributes are specified as a dependency on one of standard Intellij Platform keys.
+As recommended in [Color Scheme Management](color_scheme_management.md#text-attribute-key-dependency), the Simple Language highlighting text attributes are specified as a dependency on one of standard IntelliJ Platform keys.
 For the Simple Language, define only one scheme.
 
 ```java