1 files changed, 1 insertions, 0 deletions
diff --git a/decoder.h b/decoder.h
index c894065..25dbe56 100644
--- a/decoder.h
+++ b/decoder.h
@@ -13,6 +13,7 @@ class DecoderBase {
 		virtual size_t decode(const uint8_t *input, size_t input_size, uint8_t *output, size_t output_size) = 0;
 };
 
+//! Input filter to hold a decoder in a filter chain.
 class DecoderFilter : public boost::iostreams::multichar_input_filter {
 	private:
 		DecoderBase::p decoder;