net: improve error message on unsupported medium.

2 files changed, 5 insertions, 1 deletions

diff --git a/embassy-net/Cargo.toml b/embassy-net/Cargo.toml
index 0c551f204..0361f1db7 100644
--- a/embassy-net/Cargo.toml
+++ b/embassy-net/Cargo.toml
@@ -9,6 +9,7 @@ categories = [
     "embedded",
     "no-std",
     "asynchronous",
+    "network-programming",
 ]
 
 [package.metadata.embassy_docs]
diff --git a/embassy-net/src/lib.rs b/embassy-net/src/lib.rs
index 9f8812894..3a385fad6 100644
--- a/embassy-net/src/lib.rs
+++ b/embassy-net/src/lib.rs
@@ -249,7 +249,10 @@ fn to_smoltcp_hardware_address(addr: driver::HardwareAddress) -> HardwareAddress
         driver::HardwareAddress::Ip => HardwareAddress::Ip,
 
         #[allow(unreachable_patterns)]
-        _ => panic!("Unsupported address {:?}. Make sure to enable medium-ethernet or medium-ieee802154 in embassy-net's Cargo features.", addr),
+        _ => panic!(
+            "Unsupported medium {:?}. Make sure to enable the right medium feature in embassy-net's Cargo features.",
+            addr
+        ),
     }
 }