angular#3399 Typos in docs (angular#3400)

* docs: typo "compatability"

* docs: typo "custimze"

* docs: fix incorrect document id

Author: KONRADS098

README.md

@@ -91,7 +91,7 @@ AngularFire doesn't follow Angular's versioning as Firebase also has breaking ch
 
 ### Polyfills
 
-Neither AngularFire or Firebase ship with polyfills. To have compatability across as wide-range of environments we suggest the following polyfills be added to your application:
+Neither AngularFire or Firebase ship with polyfills. To have compatibility across as wide-range of environments we suggest the following polyfills be added to your application:
 
 | API | Environments | Suggested Polyfill | License |
 |-----|--------------|--------------------|---------|
@@ -114,7 +114,7 @@ Neither AngularFire or Firebase ship with polyfills. To have compatability acros
 
 We have three sample apps in this repository:
 
-1. [`samples/compat`](samples/compat) a kitchen sink application that demonstrates use of the "compatability" API
+1. [`samples/compat`](samples/compat) a kitchen sink application that demonstrates use of the "compatibility" API
 1. [`samples/modular`](samples/modular) a kitchen sink application that demonstrates the new tree-shakable API
 1. [`samples/advanced`](samples/advanced) the same app as `samples/modular` but demonstrates more advanced concepts such as Angular Universal state-transfer, dynamically importing Firebase feature modules, and Firestore data bundling.
 

docs/deploy/getting-started.md

@@ -91,7 +91,7 @@ To customize the deployment flow, you can use the configuration files you're alr
 
 ### Configuring Cloud Functions
 
-Setting `functionsNodeVersion` and `functionsRuntimeOptions` in your `angular.json` allow you to custimze the version of Node.js Cloud Functions is running and run-time settings like timeout, VPC connectors, and memory.
+Setting `functionsNodeVersion` and `functionsRuntimeOptions` in your `angular.json` allow you to customize the version of Node.js Cloud Functions is running and run-time settings like timeout, VPC connectors, and memory.
 
 ```json
 "deploy": {
@@ -201,4 +201,4 @@ The above configuration specifies the following:
 2. `ng deploy projectName` will deploy the specified project with default configuration.
 3. `ng deploy projectName --configuration=storybook --siteTarget=mySiteTarget` will deploy `projectName` to `mySiteTarget` with configuration`storybook`.
 
-All of the options are optional
+All of the options are optional

docs/firestore.md

@@ -59,7 +59,7 @@ export class UserProfileComponent {
 With the reference to Cloud Firestore available in a component it is now possible to connect read from and write to the database.
 
 ### Reading data
-In Cloud Firestore data is stored in `documents` and `documents` are stored in `collections`. The path to data follows `<collection_name>/<document_id>` and continues if there are subcollections. For example, `"users/ABC1245/posts/XYZ6789"` represents:
+In Cloud Firestore data is stored in `documents` and `documents` are stored in `collections`. The path to data follows `<collection_name>/<document_id>` and continues if there are subcollections. For example, `"users/ABC12345/posts/XYZ6789"` represents:
 * `users` collection
 * document id `ABC12345`
 * `posts` collection