- * ::WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS, and
- * ::WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END. */
+ * ::WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS,
+ * ::WIMLIB_PROGRESS_MSG_EXTRACT_TREE_END,
+ * ::WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END, and
+ * ::WIMLIB_PROGRESS_MSG_APPLY_TIMESTAMPS.
+ *
+ * Note: most of the time of an extraction operation will be spent
+ * extracting streams, and the application will receive
+ * ::WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS during this time. Using @p
+ * completed_bytes and @p total_bytes, the application can calculate a
+ * percentage complete. However, note that this message does not, in
+ * general, actually provide information about which "file" is currently
+ * being extracted. This is because wimlib, by default, extracts the
+ * individual data streams in whichever order it determines to be the
+ * most efficient. */