Document dev commands

src/dev.rs

@@ -11,12 +11,17 @@ mod update;
 
 #[derive(Subcommand)]
 pub enum DevCommands {
+    /// Create a new project for third-party Rustlings exercises
     New {
+        /// The path to create the project in
         path: PathBuf,
+        /// Don't initialize a Git repository in the project directory
         #[arg(long)]
         no_git: bool,
     },
+    /// Run checks on the exercises
     Check,
+    /// Update the `Cargo.toml` file for the exercises
     Update,
 }
 

src/main.rs

@@ -54,7 +54,7 @@ struct Args {
 enum Subcommands {
     /// Initialize Rustlings
     Init,
-    /// Run a single exercise. Runs the next pending exercise if the exercise name is not specified.
+    /// Run a single exercise. Runs the next pending exercise if the exercise name is not specified
     Run {
         /// The name of the exercise
         name: Option<String>,
@@ -64,11 +64,12 @@ enum Subcommands {
         /// The name of the exercise
         name: String,
     },
-    /// Show a hint. Shows the hint of the next pending exercise if the exercise name is not specified.
+    /// Show a hint. Shows the hint of the next pending exercise if the exercise name is not specified
     Hint {
         /// The name of the exercise
         name: Option<String>,
     },
+    /// Commands for developing (third-party) Rustlings exercises
     #[command(subcommand)]
     Dev(DevCommands),
 }