diff --git a/fundamentals/src/lib.rs b/fundamentals/src/lib.rs
index 284c9ed..5302b14 100644
--- a/fundamentals/src/lib.rs
+++ b/fundamentals/src/lib.rs
@@ -10,10 +10,12 @@ pub mod types;
 pub mod prelude {
     pub use crate::bitflag::*;
     pub use crate::bolt::*;
+    #[allow(unused_imports)]
     pub use crate::primitives::*;
     pub use crate::tlv::*;
     pub use crate::types::*;
 
+    // FIXME: make this a not std compatible
     #[macro_export]
     macro_rules! error {
     ($($msg:tt)*) => {{
diff --git a/fundamentals/src/types.rs b/fundamentals/src/types.rs
index 5cc4635..92d9da1 100644
--- a/fundamentals/src/types.rs
+++ b/fundamentals/src/types.rs
@@ -8,7 +8,8 @@ use crate::prelude::*;
 /// generate a ToWire and FromWire trait on basic
 /// types that will be used in the `derive` proc macro.
 ///
-/// EXPAND
+/// EXPAND:
+///
 /// ```ingore
 /// type Foo = [u8, 32];
 ///
@@ -20,12 +21,11 @@ use crate::prelude::*;
 /// }
 ///
 /// impl FromWire for Foo {
-///     fn from_write<W: Read>(reader: &mut R) -> Result<(), Error> {
+///     fn from_wire<R: Read>(reader: &mut R) -> std::io::Result<Self> {
 ///         // note that we know tha side here that is 32
 ///         let mut buffer = [0; 32];
-///         // FIXME: returnt the error in the `FromWire`
-///         let _ = reader.read(&mut buffer).unwrap();
-///         buffer
+///         reader.read_exact(&mut buff)?;
+///         Ok(buff)
 ///     }
 /// }
 /// ```