Minor wording recommendations (#184)

Co-authored-by: Rob Ede <robjtede@icloud.com>

content/docs/application.md

@@ -12,7 +12,7 @@ responses, etc.
 
 All `actix-web` servers are built around the [`App`][app] instance.  It is used for
 registering routes for resources and middlewares.  It also stores application
-state shared across all handlers within same scope.
+state shared across all handlers within the same scope.
 
 An application's [`scope`][scope] acts as a namespace for all routes, i.e. all routes for a
 specific application scope have the same url path prefix. The application prefix always
@@ -33,7 +33,7 @@ are created. This resource is available through the `/app/index.html` url.
 ## State
 
 Application state is shared with all routes and resources within the same scope. State
-can be accessed with the [`web::Data<T>`][data] extractor where `T` is type of state. State is
+can be accessed with the [`web::Data<T>`][data] extractor where `T` is the type of the state. State is
 also available for middlewares.
 
 Let's write a simple application and store the application name in the state:
@@ -44,59 +44,59 @@ and pass in the state when initializing the App, and start the application:
 
 {{< include-example example="application" file="state.rs" section="start_app" >}}
 
-Any number of state types could be registered within application.
+Any number of state types could be registered within the application.
 
 ## Shared Mutable State
 
 `HttpServer` accepts an application factory rather than an application instance.
-Http server constructs an application instance for each thread, thus application data must be
+An `HttpServer` constructs an application instance for each thread. Therefore, application data must be
 constructed multiple times. If you want to share data between different threads, a shareable
-object should be used, e.g. Send + Sync.
+object should be used, e.g. `Send` + `Sync`.
 
-Internally, [`web::Data`][data] uses Arc. Thus, in order to avoid double Arc, we should create our Data before registering it using [`App::app_data()`][appdata].
+Internally, [`web::Data`][data] uses `Arc`. Thus, in order to avoid creating two `Arc`s, we should create our Data before registering it using [`App::app_data()`][appdata].
 
 In the following example, we will write an application with mutable, shared state. First, we define our state and create our handler:
 
 {{< include-example example="application" file="state.rs" section="setup_mutable" >}}
 
-and register the data in an App:
+and register the data in an `App`:
 
 {{< include-example example="application" file="state.rs" section="make_app_mutable" >}}
 
 ## Using an Application Scope to Compose Applications
 
-The [`web::scope()`][webscope] method allows to set a specific application prefix.  This scope represents
+The [`web::scope()`][webscope] method allows setting a resource group prefix. This scope represents
 a resource prefix that will be prepended to all resource patterns added by the resource
 configuration. This can be used to help mount a set of routes at a different location
-than the included callable's author intended while still maintaining the same resource names.
+than the original author intended while still maintaining the same resource names.
 
 For example:
 
 {{< include-example example="application" file="scope.rs" section="scope" >}}
 
-In the above example, the *show_users* route will have an effective route pattern of
-*/users/show* instead of */show* because the application's scope argument will be prepended
-to the pattern. The route will then only match if the URL path is */users/show*,
-and when the [`HttpRequest.url_for()`][urlfor] function is called with the route name show_users,
+In the above example, the `show_users` route will have an effective route pattern of
+`/users/show` instead of `/show` because the application's scope argument will be prepended
+to the pattern. The route will then only match if the URL path is `/users/show`,
+and when the [`HttpRequest.url_for()`][urlfor] function is called with the route name `show_users`,
 it will generate a URL with that same path.
 
 ## Application guards and virtual hosting
 
 You can think of a guard as a simple function that accepts a *request* object reference
 and returns *true* or *false*. Formally, a guard is any object that implements the
-[`Guard`][guardtrait] trait. Actix-web provides several guards, you can check
-[functions section][guardfuncs] of api docs.
+[`Guard`][guardtrait] trait. Actix-web provides several guards. You can check the
+[functions section][guardfuncs] of the API docs.
 
-One of the provided guards is [`Header`][guardheader], it can be used as application's
-filter based on request's header information.
+One of the provided guards is [`Header`][guardheader]. It can be used as a
+filter based on request header information.
 
 {{< include-example example="application" file="vh.rs" section="vh" >}}
 
 # Configure
 
 For simplicity and reusability both [`App`][appconfig] and [`web::Scope`][webscopeconfig] provide the `configure` method.
-This function is useful for moving parts of configuration to a different module or even
-library. For example, some of the resource's configuration could be moved to different
+This function is useful for moving parts of the configuration to a different module or even
+library. For example, some of the resource's configuration could be moved to a different
 module.
 
 {{< include-example example="application" file="config.rs" section="config" >}}
@@ -108,7 +108,7 @@ The result of the above example would be:
 /app      -> "app"
 /api/test -> "test"
 ```
-Each [`ServiceConfig`][serviceconfig] can have it's own `data`, `routes`, and `services`.
+Each [`ServiceConfig`][serviceconfig] can have its own `data`, `routes`, and `services`.
 
 [usingappprefix]: /docs/url-dispatch/index.html#using-an-application-prefix-to-compose-applications
 [stateexample]: https://github.com/actix/examples/blob/master/state/src/main.rs

content/docs/getting-started.md

@@ -52,9 +52,9 @@ accepts a function that should return an application factory.
 That's it! Now, compile and run the program with `cargo run`.
 Head over to `http://localhost:8088/` to see the results.
 
-**Note**: You could notice `#[actix_rt::main]` attribute macro. This
-macro executes marked async function in actix runtime. Any async function
-could be marked and executed by this macro.
+**Note**: You may have noticed the `#[actix_rt::main]` attribute macro. This
+macro executes the associated async function within the actix runtime.
+Any async function could be marked and executed by this macro.
 
 ### Using Attribute Macros to Define Routes
 

examples/application/src/config.rs

@@ -1,7 +1,7 @@
 // <config>
 use actix_web::{web, App, HttpResponse, HttpServer};
 
-// this function could be located in different module
+// this function could be located in a different module
 fn scoped_config(cfg: &mut web::ServiceConfig) {
     cfg.service(
         web::resource("/test")
@@ -10,7 +10,7 @@ fn scoped_config(cfg: &mut web::ServiceConfig) {
     );
 }
 
-// this function could be located in different module
+// this function could be located in a different module
 fn config(cfg: &mut web::ServiceConfig) {
     cfg.service(
         web::resource("/app")

examples/application/src/state.rs

@@ -37,6 +37,7 @@ async fn _main() -> std::io::Result<()> {
     HttpServer::new(move || {
         // move counter into the closure
         App::new()
+            // Note: using app_data instead of data
             .app_data(counter.clone()) // <- register the created data
             .route("/", web::get().to(_index))
     })