Update README

README.md

@@ -1,6 +1,6 @@
 # Pallet
 
-Pallet is a project manager and build system for C inspired by Cargo for Rust.
+Pallet is a project manager and build system for C inspired by Rust's Cargo.
 
 This is a toy project not meant to be taken very seriously.
 
@@ -10,6 +10,7 @@ This is a toy project not meant to be taken very seriously.
 - `pallet init`: initializes a new project in the current directory
 - `pallet run`: runs the local project
 - `pallet build`: builds the local project
+- `pallet clean`: cleans the local project's build artifacts
 
 ## Configuring
 
@@ -17,4 +18,31 @@ You can configure options by editing `Pallet.toml`
 
 ### Options
 
-TBD
+- `name`: the name of the output executable
+- `default_build`: the name of the default build profile to use
+
+Additionally, one can define one or more build profiles with the following parameters:
+
+- `name`: the name of the build profile
+- `args`: the args to supply to gcc when using this profile
+
+For example:
+
+```toml
+name = "my-app"
+default_build = "debug"
+
+[[build]]
+name = "debug"
+args = [
+  "-g",
+  "-O0",
+]
+
+[[build]]
+name = "release"
+args = [
+  "-DNDEBUG",
+  "-O3",
+]
+```