diff --git a/src/core/channel/compress_filter.c b/src/core/channel/compress_filter.c
index 3d85ed41c5c..14cb3da62da 100644
--- a/src/core/channel/compress_filter.c
+++ b/src/core/channel/compress_filter.c
@@ -31,26 +31,6 @@
  *
  */
 
-/** Compression filter for outgoing data.
- *
- * Compression settings may come from:
- *  - Channel configuration, as established at channel creation time.
- *  - The metadata accompanying the outgoing data to be compressed. This is
- *    taken as a request only. We may choose not to honor it. The metadata key
- *    is given by \a GRPC_COMPRESS_REQUEST_ALGORITHM_KEY.
- *
- * Compression can be disabled for concrete messages (for instance in order to
- * prevent CRIME/BEAST type attacks) by having the GRPC_WRITE_NO_COMPRESS set in
- * the BEGIN_MESSAGE flags.
- *
- * The attempted compression mechanism is added to the resulting initial
- * metadata under the'grpc-encoding' key.
- *
- * If compression is actually performed, BEGIN_MESSAGE's flag is modified to
- * incorporate GRPC_WRITE_INTERNAL_COMPRESS. Otherwise, and regardless of the
- * aforementioned 'grpc-encoding' metadata value, data will pass through
- * uncompressed. */
-
 #include <assert.h>
 #include <string.h>
 
diff --git a/src/core/channel/compress_filter.h b/src/core/channel/compress_filter.h
index 8d9c3ba697d..0694e2c1dd9 100644
--- a/src/core/channel/compress_filter.h
+++ b/src/core/channel/compress_filter.h
@@ -38,14 +38,28 @@
 
 #define GRPC_COMPRESS_REQUEST_ALGORITHM_KEY "internal:grpc-encoding-request"
 
-/** Message-level compression filter.
+/** Compression filter for outgoing data.
  *
  * See <grpc/compression.h> for the available compression settings.
  *
- * grpc_op instances of type GRPC_OP_SEND_MESSAGE can have the bit specified by
- * the GRPC_WRITE_NO_COMPRESS mask in order to disable compression in an
- * otherwise compressed channel.
- * */
+ * Compression settings may come from:
+ *  - Channel configuration, as established at channel creation time.
+ *  - The metadata accompanying the outgoing data to be compressed. This is
+ *    taken as a request only. We may choose not to honor it. The metadata key
+ *    is given by \a GRPC_COMPRESS_REQUEST_ALGORITHM_KEY.
+ *
+ * Compression can be disabled for concrete messages (for instance in order to
+ * prevent CRIME/BEAST type attacks) by having the GRPC_WRITE_NO_COMPRESS set in
+ * the BEGIN_MESSAGE flags.
+ *
+ * The attempted compression mechanism is added to the resulting initial
+ * metadata under the'grpc-encoding' key.
+ *
+ * If compression is actually performed, BEGIN_MESSAGE's flag is modified to
+ * incorporate GRPC_WRITE_INTERNAL_COMPRESS. Otherwise, and regardless of the
+ * aforementioned 'grpc-encoding' metadata value, data will pass through
+ * uncompressed. */
+
 extern const grpc_channel_filter grpc_compress_filter;
 
 #endif  /* GRPC_INTERNAL_CORE_CHANNEL_COMPRESS_FILTER_H */