Fix internal references in public documentation
Signed-off-by: Chris Jones <christopher.jones@arm.com>
diff --git a/include/mbedtls/md.h b/include/mbedtls/md.h
index 25e785e..edb37f1 100644
--- a/include/mbedtls/md.h
+++ b/include/mbedtls/md.h
@@ -79,8 +79,15 @@
#endif
/**
- * Opaque struct defined in md_wrap.h.
+ * Opaque struct.
+ *
+ * Constructed using either #mbedtls_md_info_from_string or
+ * #mbedtls_md_info_from_type.
+ *
+ * Fields can be accessed with #mbedtls_md_get_size,
+ * #mbedtls_md_get_type and #mbedtls_md_get_name.
*/
+/* Defined internally in library/md_wrap.h. */
typedef struct mbedtls_md_info_t mbedtls_md_info_t;
/**