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diff --git a/src/lib/film.h b/src/lib/film.h
index d46f5e6b7a5061e51febe67cdf7c722170263918..a2e0c8b60e6be2a198bd788365664879876491cc 100644 (file)
--- a/src/lib/film.h
+++ b/src/lib/film.h
@@ -191,6 +191,7 @@ public:
                return _audio_language;
        }
 
+       /** @return pair containing the main subtitle language, and additional languages */
        std::pair<boost::optional<dcp::LanguageTag>, std::vector<dcp::LanguageTag>> subtitle_languages () const;
 
        std::string content_summary (dcpomatic::DCPTimePeriod period) const;