diff --git a/include/polarssl/ecdh.h b/include/polarssl/ecdh.h
index d20f9bf..3c4800b 100644
--- a/include/polarssl/ecdh.h
+++ b/include/polarssl/ecdh.h
@@ -148,7 +148,7 @@
  *
  * \param ctx       ECDH constext to set
  * \param key       EC key to use
- * \param ours      Is it our key (1) or the peer's key (0) ?
+ * \param side      Is it our key (1) or the peer's key (0) ?
  *
  * \return          0 if successful, or an POLARSSL_ERR_ECP_XXX error code
  */