Updated crate_universe docs. (#1212)

* Updated crate_universe docs.

* Regenerate documentation

Author: UebelAndre

crate_universe/defs.bzl

@@ -40,10 +40,10 @@ the [./examples/crate_universe](https://github.com/bazelbuild/rules_rust/tree/ma
 ### Cargo Workspaces
 
 One of the simpler ways to wire up dependencies would be to first structure your project into a [Cargo workspace][cw].
-The `crates_repository` rule can ingest a the root `Cargo.toml` file and generate dependencies from there.
+The `crates_repository` rule can ingest a root `Cargo.toml` file and generate dependencies from there.
 
 ```python
-load("@rules_rust//crate_universe:defs.bzl", "crate", "crates_repository")
+load("@rules_rust//crate_universe:defs.bzl", "crates_repository")
 
 crates_repository(
     name = "crate_index",

docs/crate_universe.md

@@ -42,10 +42,10 @@ the [./examples/crate_universe](https://github.com/bazelbuild/rules_rust/tree/ma
 ### Cargo Workspaces
 
 One of the simpler ways to wire up dependencies would be to first structure your project into a [Cargo workspace][cw].
-The `crates_repository` rule can ingest a the root `Cargo.toml` file and generate dependencies from there.
+The `crates_repository` rule can ingest a root `Cargo.toml` file and generate dependencies from there.
 
 ```python
-load("@rules_rust//crate_universe:defs.bzl", "crate", "crates_repository")
+load("@rules_rust//crate_universe:defs.bzl", "crates_repository")
 
 crates_repository(
     name = "crate_index",

docs/index.md

@@ -56,7 +56,7 @@ You can also browse the [full API in one page](flatten.md).
 
 ### Experimental rules
 
-- [crate_universe](crate_universe.md): A repository rule for fetching dependencies from a crate registry.
+- [crate_universe](crate_universe.md): Rules for generating Bazel targets for external crate depednencies.
 - [rust_analyzer](rust_analyzer.md): rules for generating `rust-project.json` files for [rust-analyzer](https://rust-analyzer.github.io/)
 
 ## Specifying Rust version
@@ -81,5 +81,5 @@ rust_repositories(rustfmt_version = "1.53.0")
 
 ## External Dependencies
 
-Currently, the most common approach to managing external dependencies is using
+If [crate_universe]crate_universe.md) does not suit your needs, another common approach to managing external dependencies is using
 [cargo-raze](https://github.com/google/cargo-raze) to generate `BUILD` files for Cargo crates.