Fix docs (#7710)

* fix docs

* Update frame/merkle-mountain-range/src/lib.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

substrate/bin/node/browser-testing/src/lib.rs

@@ -26,7 +26,7 @@
 //! ```
 //! For debug infomation, such as the informant, run without the `--headless`
 //! flag and open a browser to the url that `wasm-pack test` outputs.
-//! For more infomation see https://rustwasm.github.io/docs/wasm-pack/.
+//! For more infomation see <https://rustwasm.github.io/docs/wasm-pack/>.
 
 use wasm_bindgen_test::{wasm_bindgen_test, wasm_bindgen_test_configure};
 use wasm_bindgen_futures::JsFuture;

substrate/bin/node/runtime/src/lib.rs

@@ -16,7 +16,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
-//! The Substrate runtime. This can be compiled with ``#[no_std]`, ready for Wasm.
+//! The Substrate runtime. This can be compiled with `#[no_std]`, ready for Wasm.
 
 #![cfg_attr(not(feature = "std"), no_std)]
 // `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.