minor docs improvements (#31)

* minor docs fix/improvement

* Update cli/main.rs

* add link

* fix example

---------

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

cli/main.rs

@@ -29,9 +29,9 @@
 //!
 //! Some resources about the above:
 //!
-//! 1. <https://docs.substrate.io/reference/command-line-tools/try-runtime/>
-//! 2. <https://www.crowdcast.io/e/substrate-seminar/41>
-//! 3. <https://docs.substrate.io/fundamentals/runtime-development/>
+//! 1. <https://www.crowdcast.io/e/substrate-seminar/41>
+//! 2. <https://docs.substrate.io/fundamentals/runtime-development/>
+//! 3. <https://www.youtube.com/watch?v=a_u3KMG-n-I>
 //!
 //! ---
 //!
@@ -67,7 +67,10 @@
 //! ## Installation
 
 //!```bash
+//! # Install latest version (recommended for local development)
 //! cargo install --git https://github.com/paritytech/try-runtime-cli --locked
+//! # Install a specific version (recommended for tools like CI)
+//! cargo install --git https://github.com/paritytech/try-runtime-cli --tag vX.Y.Z --locked
 //! try-runtime --help
 //! try-runtime on-runtime-upgrade --help
 //! ```
@@ -204,14 +207,15 @@
 //!     live --uri ws://localhost:9999
 //! ```
 //!
-//! * Same as the previous one, but run it at specific block number's state. This means that this
-//! block hash's state shall not yet have been pruned in `rpc.polkadot.io`.
+//! * Same as the previous example, but run it at specific block number's state and using the live
+//! polkadot network. This means that this block hash's state should not yet have been pruned by the
+//! node running at `rpc.polkadot.io`.
 //!
 //! ```bash
 //! try-runtime \
-//!     --runtime /path-to-substrate/target/release/wbuild/my-runtime.wasm \
+//!     --runtime /path-to-polkadot-runtimes/target/release/wbuild/polkadot-runtime/polkadot-runtime.wasm \
 //!     on-runtime-upgrade \
-//!     live --uri ws://localhost:9999 \
+//!     live --uri wss://rpc.polkadot.io:443 \
 //!     # replace with your desired block hash!
 //!     --at 0xa1b16c1efd889a9f17375ec4dd5c1b4351a2be17fa069564fced10d23b9b3836
 //! ```