diff --git a/libavcodec/wma.c b/libavcodec/wma.c
index 65780459aa..e2d153b835 100644
--- a/libavcodec/wma.c
+++ b/libavcodec/wma.c
@@ -429,7 +429,7 @@ int ff_wma_end(AVCodecContext *avctx)
 
 /**
  * Decode an uncompressed coefficient.
- * @param s codec context
+ * @param gb GetBitContext
  * @return the decoded coefficient
  */
 unsigned int ff_wma_get_large_val(GetBitContext* gb)