diff --git a/libctru/include/3ds/services/gsp.h b/libctru/include/3ds/services/gsp.h
index d324b9a..e65245d 100644
--- a/libctru/include/3ds/services/gsp.h
+++ b/libctru/include/3ds/services/gsp.h
@@ -15,11 +15,11 @@ typedef struct
 
 typedef enum
 {
-	GSP_RGBA8_OES=0,
-	GSP_BGR8_OES=1,
-	GSP_RGB565_OES=2,
-	GSP_RGB5_A1_OES=3,
-	GSP_RGBA4_OES=4
+	GSP_RGBA8_OES=0, //pixel_size = 4-bytes
+	GSP_BGR8_OES=1, //pixel_size = 3-bytes
+	GSP_RGB565_OES=2, //pixel_size = 2-bytes
+	GSP_RGB5_A1_OES=3, //pixel_size = 2-bytes
+	GSP_RGBA4_OES=4 //pixel_size = 2-bytes
 }GSP_FramebufferFormats;
 
 typedef struct//See this for GSP_CaptureInfoEntry and GSP_CaptureInfo: http://3dbrew.org/wiki/GSPGPU:ImportDisplayCaptureInfo