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-rw-r--r--libavfilter/avfilter.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index b37b74f2ce..ca2e7b7336 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -658,7 +658,8 @@ int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *in
int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque);
/**
- * Free a filter context.
+ * Free a filter context. This will also remove the filter from its
+ * filtergraph's list of filters.
*
* @param filter the filter to free
*/