diff --git a/cyw43-pio/Cargo.toml b/cyw43-pio/Cargo.toml
index b14ad7349..157046b18 100644
--- a/cyw43-pio/Cargo.toml
+++ b/cyw43-pio/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 description = "RP2040 PIO SPI implementation for cyw43"
 keywords = ["embedded", "cyw43", "embassy-net", "embedded-hal-async", "wifi"]
-categories = ["embedded", "hardware-support", "no-std", "network-programming", "async"]
+categories = ["embedded", "hardware-support", "no-std", "network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/embassy-rs/embassy"
 documentation = "https://docs.embassy.dev/cyw43-pio"
diff --git a/cyw43/Cargo.toml b/cyw43/Cargo.toml
index 3b4aada00..c857f7378 100644
--- a/cyw43/Cargo.toml
+++ b/cyw43/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 description = "Rust driver for the CYW43439 WiFi chip, used in the Raspberry Pi Pico W."
 keywords = ["embedded", "cyw43", "embassy-net", "embedded-hal-async", "wifi"]
-categories = ["embedded", "hardware-support", "no-std", "network-programming", "async"]
+categories = ["embedded", "hardware-support", "no-std", "network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/embassy-rs/embassy"
 documentation = "https://docs.embassy.dev/cyw43"
diff --git a/embassy-hal-internal/Cargo.toml b/embassy-hal-internal/Cargo.toml
index 42e03199c..c5013f365 100644
--- a/embassy-hal-internal/Cargo.toml
+++ b/embassy-hal-internal/Cargo.toml
@@ -3,6 +3,14 @@ name = "embassy-hal-internal"
 version = "0.1.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
+description = "Internal implementation details for Embassy HALs. DO NOT USE DIRECTLY."
+repository = "https://github.com/embassy-rs/embassy"
+documentation = "https://docs.embassy.dev/embassy-hal-internal"
+categories = [
+    "embedded",
+    "no-std",
+    "asynchronous",
+]
 
 [features]
 
@@ -26,4 +34,4 @@ log = { version = "0.4.14", optional = true }
 num-traits = { version = "0.2.14", default-features = false }
 
 cortex-m = { version = "0.7.6", optional = true }
-critical-section = { version = "1", optional = true }
\ No newline at end of file
+critical-section = { version = "1", optional = true }
diff --git a/embassy-net-adin1110/Cargo.toml b/embassy-net-adin1110/Cargo.toml
index 5cc399cdc..97579a467 100644
--- a/embassy-net-adin1110/Cargo.toml
+++ b/embassy-net-adin1110/Cargo.toml
@@ -3,7 +3,7 @@ name = "embassy-net-adin1110"
 version = "0.2.0"
 description = "embassy-net driver for the ADIN1110 ethernet chip"
 keywords = ["embedded", "ADIN1110", "embassy-net", "embedded-hal-async", "ethernet"]
-categories = ["embedded", "hardware-support", "no-std", "network-programming", "async"]
+categories = ["embedded", "hardware-support", "no-std", "network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
 repository = "https://github.com/embassy-rs/embassy"
diff --git a/embassy-net-enc28j60/Cargo.toml b/embassy-net-enc28j60/Cargo.toml
index ab594a2f4..23bd3da7e 100644
--- a/embassy-net-enc28j60/Cargo.toml
+++ b/embassy-net-enc28j60/Cargo.toml
@@ -3,7 +3,7 @@ name = "embassy-net-enc28j60"
 version = "0.1.0"
 description = "embassy-net driver for the ENC28J60 ethernet chip"
 keywords = ["embedded", "enc28j60", "embassy-net", "embedded-hal-async", "ethernet"]
-categories = ["embedded", "hardware-support", "no-std", "network-programming", "async"]
+categories = ["embedded", "hardware-support", "no-std", "network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
 repository = "https://github.com/embassy-rs/embassy"
diff --git a/embassy-net-esp-hosted/Cargo.toml b/embassy-net-esp-hosted/Cargo.toml
index dfca8bec6..dda65dbf9 100644
--- a/embassy-net-esp-hosted/Cargo.toml
+++ b/embassy-net-esp-hosted/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 description = "embassy-net driver for ESP-Hosted"
 keywords = ["embedded", "esp-hosted", "embassy-net", "embedded-hal-async", "wifi"]
-categories = ["embedded", "hardware-support", "no-std", "network-programming", "async"]
+categories = ["embedded", "hardware-support", "no-std", "network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/embassy-rs/embassy"
 documentation = "https://docs.embassy.dev/embassy-net-esp-hosted"
diff --git a/embassy-net-ppp/Cargo.toml b/embassy-net-ppp/Cargo.toml
index 59e9c084e..c4bea202f 100644
--- a/embassy-net-ppp/Cargo.toml
+++ b/embassy-net-ppp/Cargo.toml
@@ -3,7 +3,7 @@ name = "embassy-net-ppp"
 version = "0.1.0"
 description = "embassy-net driver for PPP over Serial"
 keywords = ["embedded", "ppp", "embassy-net", "embedded-hal-async", "async"]
-categories = ["embedded", "hardware-support", "no-std", "network-programming", "async"]
+categories = ["embedded", "hardware-support", "no-std", "network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
 repository = "https://github.com/embassy-rs/embassy"
diff --git a/embassy-net-tuntap/Cargo.toml b/embassy-net-tuntap/Cargo.toml
index 1044151ae..5d38fb013 100644
--- a/embassy-net-tuntap/Cargo.toml
+++ b/embassy-net-tuntap/Cargo.toml
@@ -3,7 +3,7 @@ name = "embassy-net-tuntap"
 version = "0.1.0"
 description = "embassy-net driver for Linux TUN/TAP interfaces."
 keywords = ["embedded", "tuntap", "embassy-net", "ethernet", "async"]
-categories = ["embedded", "hardware-support", "network-programming", "async"]
+categories = ["embedded", "hardware-support", "network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
 repository = "https://github.com/embassy-rs/embassy"
diff --git a/embassy-net-wiznet/Cargo.toml b/embassy-net-wiznet/Cargo.toml
index b52aecc70..f87bf2bd0 100644
--- a/embassy-net-wiznet/Cargo.toml
+++ b/embassy-net-wiznet/Cargo.toml
@@ -3,7 +3,7 @@ name = "embassy-net-wiznet"
 version = "0.1.0"
 description = "embassy-net driver for WIZnet SPI Ethernet chips"
 keywords = ["embedded", "embassy-net", "embedded-hal-async", "ethernet", "async"]
-categories = ["embedded", "hardware-support", "no-std", "network-programming", "async"]
+categories = ["embedded", "hardware-support", "no-std", "network-programming", "asynchronous"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
 repository = "https://github.com/embassy-rs/embassy"
diff --git a/embassy-nrf/Cargo.toml b/embassy-nrf/Cargo.toml
index f79da9d77..10f268b51 100644
--- a/embassy-nrf/Cargo.toml
+++ b/embassy-nrf/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "Embassy Hardware Abstraction Layer (HAL) for nRF series microcontrollers"
 keywords = ["embedded", "async", "nordic", "nrf", "embedded-hal"]
-categories = ["embedded", "hardware-support", "no-std", "async"]
+categories = ["embedded", "hardware-support", "no-std", "asynchronous"]
 repository = "https://github.com/embassy-rs/embassy"
 documentation = "https://docs.embassy.dev/embassy-nrf"
 
diff --git a/embassy-rp/Cargo.toml b/embassy-rp/Cargo.toml
index 503d4bddc..ffed4c770 100644
--- a/embassy-rp/Cargo.toml
+++ b/embassy-rp/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "Embassy Hardware Abstraction Layer (HAL) for the Raspberry Pi RP2040 microcontroller"
 keywords = ["embedded", "async", "raspberry-pi", "rp2040", "embedded-hal"]
-categories = ["embedded", "hardware-support", "no-std", "async"]
+categories = ["embedded", "hardware-support", "no-std", "asynchronous"]
 repository = "https://github.com/embassy-rs/embassy"
 documentation = "https://docs.embassy.dev/embassy-rp"
 
diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml
index ac672788f..f1539229f 100644
--- a/embassy-stm32/Cargo.toml
+++ b/embassy-stm32/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "Embassy Hardware Abstraction Layer (HAL) for ST STM32 series microcontrollers"
 keywords = ["embedded", "async", "stm32", "hal", "embedded-hal"]
-categories = ["embedded", "hardware-support", "no-std", "async"]
+categories = ["embedded", "hardware-support", "no-std", "asynchronous"]
 repository = "https://github.com/embassy-rs/embassy"
 documentation = "https://docs.embassy.dev/embassy-stm32"
 
diff --git a/embassy-usb-driver/Cargo.toml b/embassy-usb-driver/Cargo.toml
index 6d36106cd..837878621 100644
--- a/embassy-usb-driver/Cargo.toml
+++ b/embassy-usb-driver/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "Driver trait for `embassy-usb`, an async USB device stack for embedded devices."
 keywords = ["embedded", "async", "usb", "hal", "embedded-hal"]
-categories = ["embedded", "hardware-support", "no-std", "async"]
+categories = ["embedded", "hardware-support", "no-std", "asynchronous"]
 repository = "https://github.com/embassy-rs/embassy"
 documentation = "https://docs.embassy.dev/embassy-usb-driver"
 
diff --git a/embassy-usb/Cargo.toml b/embassy-usb/Cargo.toml
index be810b510..1b31b6145 100644
--- a/embassy-usb/Cargo.toml
+++ b/embassy-usb/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "Async USB device stack for embedded devices in Rust."
 keywords = ["embedded", "async", "usb", "hal", "embedded-hal"]
-categories = ["embedded", "hardware-support", "no-std", "async"]
+categories = ["embedded", "hardware-support", "no-std", "asynchronous"]
 repository = "https://github.com/embassy-rs/embassy"
 documentation = "https://docs.embassy.dev/embassy-usb"