diff --git a/nx/include/switch/services/grc.h b/nx/include/switch/services/grc.h
index 14800a70..927a9424 100644
--- a/nx/include/switch/services/grc.h
+++ b/nx/include/switch/services/grc.h
@@ -12,7 +12,7 @@
 #include "../kernel/tmem.h"
 #include "../display/native_window.h"
 
-/// Stream type values for \ref grcdRead.
+/// Stream type values for \ref grcdTransfer.
 typedef enum {
     GrcStream_Video = 0,          ///< Video stream with H.264 NAL units. Official sw uses buffer size 0x32000.
     GrcStream_Audio = 1,          ///< Audio stream with PcmFormat_Int16, 2 channels, and samplerate = 48000Hz. Official sw uses buffer size 0x1000.
@@ -182,16 +182,16 @@ Service* grcdGetServiceSession(void);
 Result grcdBegin(void);
 
 /**
- * @brief Reads a stream, from the video recording being done of the currently running game title.
+ * @brief Retrieves stream data from the continuous recorder in use (from the video recording of the currently running game title).
  * @note This will block until data is available. This will hang if there is no game title running which has video capture enabled.
  * @param[in] stream \ref GrcStream
  * @param[out] buffer Output buffer.
  * @param[in] size Max size of the output buffer.
- * @param[out] unk Unknown.
+ * @param[out] num_frames num_frames
  * @param[out] data_size Actual output data size.
- * @param[out] timestamp Timestamp?
+ * @param[out] start_timestamp Start timestamp.
  */
-Result grcdRead(GrcStream stream, void* buffer, size_t size, u32 *unk, u32 *data_size, u64 *timestamp);
+Result grcdTransfer(GrcStream stream, void* buffer, size_t size, u32 *num_frames, u32 *data_size, u64 *start_timestamp);
 
 ///@}
 
diff --git a/nx/source/services/grc.c b/nx/source/services/grc.c
index 9993acbf..04abd44e 100644
--- a/nx/source/services/grc.c
+++ b/nx/source/services/grc.c
@@ -377,11 +377,11 @@ Result grcdBegin(void) {
     return _grcCmdNoIO(&g_grcdSrv, 1);
 }
 
-Result grcdRead(GrcStream stream, void* buffer, size_t size, u32 *unk, u32 *data_size, u64 *timestamp) {
+Result grcdTransfer(GrcStream stream, void* buffer, size_t size, u32 *num_frames, u32 *data_size, u64 *start_timestamp) {
     struct {
-        u32 unk;
+        u32 num_frames;
         u32 data_size;
-        u64 timestamp;
+        u64 start_timestamp;
     } out;
 
     u32 tmp=stream;
@@ -390,9 +390,9 @@ Result grcdRead(GrcStream stream, void* buffer, size_t size, u32 *unk, u32 *data
         .buffers = { { buffer, size } },
     );
     if (R_SUCCEEDED(rc)) {
-        if (unk) *unk = out.unk;
+        if (num_frames) *num_frames = out.num_frames;
         if (data_size) *data_size = out.data_size;
-        if (timestamp) *timestamp = out.timestamp;
+        if (start_timestamp) *start_timestamp = out.start_timestamp;
     }
     return rc;
 }