wimlib.h: Update wimlib_create_compressor() docs

diff --git a/include/wimlib.h b/include/wimlib.h
index f1734fc30cfe1bde08f2e83250f1a4e869764b73..e5610e5425c1e1280d7148867a15a0d4456c16a9 100644 (file)
--- a/include/wimlib.h
+++ b/include/wimlib.h
@@ -4501,6 +4501,9 @@ wimlib_free_compressor(struct wimlib_compressor *compressor);
  *
  * @retval ::WIMLIB_ERR_INVALID_COMPRESSION_TYPE
  *     @p ctype was not a supported compression type.
+ * @retval ::WIMLIB_ERR_INVALID_PARAM
+ *     @p decompressor_ret was @c NULL, or @p max_block_size is not valid for
+ *     the compression type.
  * @retval ::WIMLIB_ERR_NOMEM
  *     Insufficient memory to allocate the decompressor.
  */