liblzma: Improve lzma_properties_decode() API documentation.
diff --git a/src/liblzma/api/lzma/filter.h b/src/liblzma/api/lzma/filter.h
index 4e78752..8c85931 100644
--- a/src/liblzma/api/lzma/filter.h
+++ b/src/liblzma/api/lzma/filter.h
@@ -341,9 +341,10 @@
* \param filter filter->id must have been set to the correct
* Filter ID. filter->options doesn't need to be
* initialized (it's not freed by this function). The
- * decoded options will be stored to filter->options.
- * filter->options is set to NULL if there are no
- * properties or if an error occurs.
+ * decoded options will be stored in filter->options;
+ * it's application's responsibility to free it when
+ * appropriate. filter->options is set to NULL if
+ * there are no properties or if an error occurs.
* \param allocator Custom memory allocator used to allocate the
* options. Set to NULL to use the default malloc(),
* and in case of an error, also free().
