diff --git a/USAGE.md b/USAGE.md
index 5238b1b5b..21537d846 100644
--- a/USAGE.md
+++ b/USAGE.md
@@ -2647,7 +2647,7 @@ It is sometimes desirable to modify the pixels of an `ncvisual` directly.
 
 ```c
 static inline int
-pixel_set_r(uint32_t* pixel, int r){
+ncpixel_set_r(uint32_t* pixel, int r){
   if(r > 255 || r < 0){
     return -1;
   }
@@ -2656,7 +2656,7 @@ pixel_set_r(uint32_t* pixel, int r){
 }
 
 static inline int
-pixel_set_g(uint32_t* pixel, int g){
+ncpixel_set_g(uint32_t* pixel, int g){
   if(g > 255 || g < 0){
     return -1;
   }
@@ -2665,7 +2665,7 @@ pixel_set_g(uint32_t* pixel, int g){
 }
 
 static inline int
-pixel_set_b(uint32_t* pixel, int b){
+ncpixel_set_b(uint32_t* pixel, int b){
   if(b > 255 || b < 0){
     return -1;
   }
@@ -2675,7 +2675,7 @@ pixel_set_b(uint32_t* pixel, int b){
 
 // set the RGB values of an RGB pixel
 static inline int
-pixel_set_rgb(uint32_t* pixel, int r, int g, int b){
+ncpixel_set_rgb(uint32_t* pixel, int r, int g, int b){
   if(pixel_set_r(pixel, r) || pixel_set_g(pixel, g) || pixel_set_b(pixel, b)){
     return -1;
   }
diff --git a/src/demo/outro.c b/src/demo/outro.c
index b4cb57a49..ec34b55c9 100644
--- a/src/demo/outro.c
+++ b/src/demo/outro.c
@@ -49,6 +49,7 @@ videothread(void* vnc){
   struct timespec fade;
   timespec_mul(&demodelay, 2, &fade);
   demo_render(nc);
+  // vopts carries through 'changes.jpg', sitting above the standard plane
   ncplane_fadeout(vopts.n, &fade, demo_fader, NULL);
   ncplane_destroy(vopts.n);
   struct ncplane* apiap = ncplane_new(nc, 1, cols, rows - 1, 0, NULL);