Fix doxygen for recent commit.
@@ -444,7 +444,7 @@ int sldns_wire2str_rcode_buf(int rcode, char* str, size_t len);
/**
* Convert host format opcode to a string. 'QUERY', 'NOTIFY', 'UPDATE'.
* With user buffer.
- * @param rcode: rcode as integer in host order
+ * @param opcode: opcode as integer in host order
* @param str: the string to write to.
* @param len: length of str.
* @return the number of characters for this element, excluding zerobyte.
