diff --git a/usdpl-back/Cargo.toml b/usdpl-back/Cargo.toml
index 0380033..7b5d1fb 100644
--- a/usdpl-back/Cargo.toml
+++ b/usdpl-back/Cargo.toml
@@ -4,7 +4,8 @@ version = "0.1.0"
 edition = "2021"
 license = "GPL-3.0-only"
 repository = "https://github.com/NGnius/usdpl-rs"
-readme = "../README.md"
+readme = "README.md"
+description = "Universal Steam Deck Plugin Library back-end"
 
 [features]
 default = []
diff --git a/usdpl-back/README.md b/usdpl-back/README.md
new file mode 100644
index 0000000..b83b4d4
--- /dev/null
+++ b/usdpl-back/README.md
@@ -0,0 +1,9 @@
+# usdpl-back
+
+Back-end library for plugins.
+Targets x86_64 (native Steam Deck ISA).
+
+This is a minimalist TCP server for handling events from the front-end.
+
+
+License: GPL-3.0-only
diff --git a/usdpl-back/src/instance.rs b/usdpl-back/src/instance.rs
index 50b298d..da15010 100644
--- a/usdpl-back/src/instance.rs
+++ b/usdpl-back/src/instance.rs
@@ -5,13 +5,14 @@ use std::io::{Read, Write};
 use usdpl_core::serdes::{Dumpable, Loadable, Primitive};
 use usdpl_core::{RemoteCallResponse, socket};
 
-/// Instance for interacting with the front-end
+/// Back-end instance for interacting with the front-end
 pub struct Instance<'a> {
     calls: HashMap<String, &'a mut dyn FnMut(Vec<Primitive>) -> Vec<Primitive>>,
     port: u16,
 }
 
 impl<'a> Instance<'a> {
+    /// Initialise an instance of the back-end
     #[inline]
     pub fn new(port_usdpl: u16) -> Self {
         Instance {
@@ -21,8 +22,8 @@ impl<'a> Instance<'a> {
     }
 
     /// Register a function which can be invoked by the front-end
-    pub fn register<F: (FnMut(Vec<Primitive>) -> Vec<Primitive>) + Send + Sync>(&mut self, name: String, f: &'a mut F) -> &mut Self {
-        self.calls.insert(name, f);
+    pub fn register<S: std::convert::Into<String>, F: (FnMut(Vec<Primitive>) -> Vec<Primitive>) + Send + Sync>(&mut self, name: S, f: &'a mut F) -> &mut Self {
+        self.calls.insert(name.into(), f);
         self
     }
 
diff --git a/usdpl-core/Cargo.toml b/usdpl-core/Cargo.toml
index 890b0aa..dbedfd9 100644
--- a/usdpl-core/Cargo.toml
+++ b/usdpl-core/Cargo.toml
@@ -4,7 +4,8 @@ version = "0.1.0"
 edition = "2021"
 license = "GPL-3.0-only"
 repository = "https://github.com/NGnius/usdpl-rs"
-readme = "../README.md"
+readme = "README.md"
+description = "Universal Steam Deck Plugin Library core"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/usdpl-core/README.md b/usdpl-core/README.md
new file mode 100644
index 0000000..e5e1f3a
--- /dev/null
+++ b/usdpl-core/README.md
@@ -0,0 +1,6 @@
+# usdpl-core
+
+Datatypes and constants core the back-end and front-end libraries' operation.
+This contains serialization functionality and networking datatypes.
+
+License: GPL-3.0-only
diff --git a/usdpl-core/src/remote_call.rs b/usdpl-core/src/remote_call.rs
index 539dd55..afbba21 100644
--- a/usdpl-core/src/remote_call.rs
+++ b/usdpl-core/src/remote_call.rs
@@ -1,5 +1,6 @@
 use crate::serdes::{Primitive, Loadable, Dumpable};
 
+/// Remote call packet representing a function to call on the back-end, sent from the front-end
 pub struct RemoteCall {
     pub id: u64,
     pub function: String,
@@ -46,6 +47,7 @@ impl Dumpable for RemoteCall {
     }
 }
 
+/// Remote call response packet representing the response from a remote call after the back-end has executed it.
 pub struct RemoteCallResponse {
     pub id: u64,
     pub response: Vec<Primitive>,
diff --git a/usdpl-core/src/serdes/primitive.rs b/usdpl-core/src/serdes/primitive.rs
index 4ccbdca..6d401fe 100644
--- a/usdpl-core/src/serdes/primitive.rs
+++ b/usdpl-core/src/serdes/primitive.rs
@@ -1,5 +1,7 @@
 use super::{Loadable, Dumpable};
 
+/// Primitive types supported for communication between the USDPL back- and front-end.
+/// These are used for sending over the TCP connection.
 pub enum Primitive {
     Empty,
     String(String),
@@ -111,6 +113,12 @@ impl std::convert::Into<Primitive> for String {
     }
 }
 
+impl std::convert::Into<Primitive> for &str {
+    fn into(self) -> Primitive {
+        Primitive::String(self.to_string())
+    }
+}
+
 impl std::convert::Into<Primitive> for () {
     fn into(self) -> Primitive {
         Primitive::Empty
diff --git a/usdpl-core/src/socket.rs b/usdpl-core/src/socket.rs
index 7acd7f2..f4f0948 100644
--- a/usdpl-core/src/socket.rs
+++ b/usdpl-core/src/socket.rs
@@ -13,6 +13,7 @@ pub fn socket_addr(port: u16) -> SocketAddr {
     SocketAddr::V4(SocketAddrV4::new(HOST, port))
 }
 
+/// Accepted Packet types and the data they contain
 pub enum Packet {
     Call(RemoteCall),
     CallResponse(RemoteCallResponse),
@@ -25,6 +26,7 @@ pub enum Packet {
 }
 
 impl Packet {
+    /// Byte representing the packet type -- the first byte of any packet in USDPL
     const fn discriminant(&self) -> u8 {
         match self {
             Self::Call(_) => 1,
diff --git a/usdpl-front/Cargo.toml b/usdpl-front/Cargo.toml
index 56f28ae..c02746d 100644
--- a/usdpl-front/Cargo.toml
+++ b/usdpl-front/Cargo.toml
@@ -1,12 +1,12 @@
 [package]
 name = "usdpl"
-description = "WASM front-end library for USDPL"
 version = "0.1.0"
 authors = ["NGnius (Graham) <ngniusness@gmail.com>"]
 edition = "2021"
 license = "GPL-3.0-only"
 repository = "https://github.com/NGnius/usdpl-rs"
 readme = "../README.md"
+description = "Universal Steam Deck Plugin Library front-end designed for WASM"
 
 [lib]
 crate-type = ["cdylib", "rlib"]
diff --git a/usdpl-front/README.md b/usdpl-front/README.md
new file mode 100644
index 0000000..e69de29