dependencies typo

Author: KGrewal1

src/doc/src/guide/dependencies.md

@@ -13,7 +13,7 @@ To depend on a library hosted on [crates.io], add it to your `Cargo.toml`.
 
 If your `Cargo.toml` doesn't already have a `[dependencies]` section, add
 that, then list the [crate][def-crate] name and version that you would like to
-use. This example adds a dependency of the `time` crate:
+use. This example adds a dependency on the `time` crate:
 
 ```toml
 [dependencies]
@@ -67,7 +67,7 @@ Our `Cargo.lock` contains the exact information about which revision of all of
 these dependencies we used.
 
 Now, if `regex` gets updated, we will still build with the same revision until
-we choose to `cargo update`.
+we choose to run `cargo update`.
 
 You can now use the `regex` library in `main.rs`.