diff --git a/framed/src/lib.rs b/framed/src/lib.rs
index 444e59f..13f7657 100644
--- a/framed/src/lib.rs
+++ b/framed/src/lib.rs
@@ -342,7 +342,7 @@ const HEADER_LEN: usize = 0;
 const FOOTER_LEN: usize = 1;
 
 /// Encode the supplied payload data as a frame at the beginning of
-/// the supplied buffer `dest`.
+/// the supplied buffer `dest`. Available from `no_std` crates.
 ///
 /// Returns the number of bytes it has written to the buffer.
 ///
@@ -388,7 +388,7 @@ pub fn encode_to_writer<W: Write>(p: &Payload, w: &mut W) -> Result<usize> {
 }
 
 /// Decode the supplied encoded frame, placing the payload at the
-/// beginning of the supplied buffer `dest`.
+/// beginning of the supplied buffer `dest`. Available from `no_std` crates.
 ///
 /// When reading from a stream, the caller can continue reading data
 /// and buffering it until a `FRAME_END_SYMBOL` is read, then pass the
diff --git a/framed/src/typed.rs b/framed/src/typed.rs
index 7750593..32f51d6 100644
--- a/framed/src/typed.rs
+++ b/framed/src/typed.rs
@@ -104,6 +104,7 @@ use std::io::{Read, Write};
 
 /// Serializes and encodes the supplied value `v` into destination
 /// buffer `dest`, using `ser_buf` as a temporary serialization buffer.
+/// Available from `no_std` crates.
 ///
 /// Returns the number of bytes written to the beginning of `dest`.
 ///
@@ -134,7 +135,7 @@ pub fn encode_to_slice<T: DeserializeOwned + Serialize>(
 
 /// Decodes the supplied encoded frame `e`, then deserializes its
 /// payload as a value of type `T`, using `de_buf` as a temporary
-/// deserialization buffer.
+/// deserialization buffer. Available from `no_std` crates.
 ///
 /// Returns the deserialized value.
 ///