Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: bashandbone

Cargo.toml

@@ -9,7 +9,8 @@ edition = "2024"
 rust-version = "1.85"
 description = "A headache-free submodule management tool, built on top of gitoxide. Manage sparse checkouts, submodule updates, and adding/removing submodules with ease."
 authors = ["Adam Poulemanos <89049923+bashandbone@users.noreply.github.com>"]
-license = "LICENSE.md" # Plain MIT license: plainlicense.org/licenses/permissive/mit/
+license = "MIT" # Plain MIT license: plainlicense.org/licenses/permissive/mit/
+license-file = "LICENSE.md"
 repository = "https://github.com/bashandbone/submod"
 homepage = "https://github.com/bashandbone/submod"
 documentation = "https://docs.rs/submod"
@@ -77,7 +78,7 @@ thiserror = "2.0.12"
 # bitflags for status flags
 bitflags = "2.6.0"
 
-# As of submod v0.20, git2 no longer optional
+# As of submod v0.2.0, git2 no longer optional
 # gix_submodule just isn't mature enough to realistically provide our functionality without falling back to git2
 git2 = { version = "0.20.2" }