diff --git a/lib/zstd.h b/lib/zstd.h
index 72080ea87e84fd2333ebbb79f3f6d95e1073224a..f6f310150ce8787f04d31b4cd03aca592a8512aa 100644
--- a/lib/zstd.h
+++ b/lib/zstd.h
@@ -763,7 +763,7 @@ ZSTDLIB_API size_t ZSTD_freeDStream(ZSTD_DStream* zds);
 
 /* This function is redundant with the advanced API and equivalent to:
  *
- *     ZSTD_DCtx_reset(zds);
+ *     ZSTD_DCtx_reset(zds, ZSTD_reset_session_only);
  *     ZSTD_DCtx_refDDict(zds, NULL);
  */
 ZSTDLIB_API size_t ZSTD_initDStream(ZSTD_DStream* zds);