Cargo documentation makes more sense

src/ch1_02_software.md

@@ -77,7 +77,7 @@ The package manager for Rust
 
 Taking care of dependencies, compilation and many other things.
 
-For more information see the [rust documentation](https://doc.rust-lang.org/cargo/).
+For more information see the [cargo documentation](https://doc.rust-lang.org/cargo/).
 
 #### Cargo-binutils