diff --git a/doc/dox_comments/header_files/ed25519.h b/doc/dox_comments/header_files/ed25519.h
index 13443c6fa7..6219c49a91 100644
--- a/doc/dox_comments/header_files/ed25519.h
+++ b/doc/dox_comments/header_files/ed25519.h
@@ -904,6 +904,7 @@ int wc_ed25519_export_private(const ed25519_key* key, byte* out, word32* outLen)
     \return BAD_FUNC_ARG Returned if any of the input values evaluate to NULL.
     \return BUFFER_E Returned if the buffer provided is not large enough
     to store the key pair.
+    \return PUBLIC_KEY_E the given key only has a private key present.
 
     \param [in] key Pointer to an ed25519_key structure from which to export
     the key pair.
diff --git a/doc/dox_comments/header_files/ed448.h b/doc/dox_comments/header_files/ed448.h
index b6fad7a970..3aead5df0f 100644
--- a/doc/dox_comments/header_files/ed448.h
+++ b/doc/dox_comments/header_files/ed448.h
@@ -791,6 +791,7 @@ int wc_ed448_export_private(const ed448_key* key, byte* out, word32* outLen);
     \return ECC_BAD_ARG_E Returned if any of the input values evaluate to NULL.
     \return BUFFER_E Returned if the buffer provided is not large enough
     to store the key pair.
+    \return PUBLIC_KEY_E the given key only has a private key present.
 
     \param [in] key Pointer to an ed448_key structure from which to export
     the key pair.