diff --git a/books/RayTracingInOneWeekend.html b/books/RayTracingInOneWeekend.html
index 02956ed6..4398f701 100644
--- a/books/RayTracingInOneWeekend.html
+++ b/books/RayTracingInOneWeekend.html
@@ -108,7 +108,7 @@
Opening the output file (in ToyViewer on my mac, but try it in your favorite viewer and google “ppm
viewer” if your viewer doesn’t support it) shows:
- 
+ 
@@ -400,7 +400,7 @@
with $t$ going from zero to one. In our case this produces:
- 
+ 
@@ -494,7 +494,7 @@
What we get is this:
- 
+ 
@@ -565,7 +565,7 @@
And that yields this picture:
- 
+ 
@@ -787,7 +787,7 @@
This yields a picture that is really just a visualization of where the spheres are along with their
surface normal. This is often a great way to look at your model for flaws and characteristics.
- 
+ 
@@ -960,7 +960,7 @@
Zooming into the image that is produced, the big change is in edge pixels that are part background
and part foreground:
- 
+ 
@@ -1040,7 +1040,7 @@
This gives us:
- 
+ 
@@ -1077,7 +1077,7 @@
That yields light grey, as we desire:
- 
+ 
@@ -1308,7 +1308,7 @@
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C++ highlight
hittable *list[4];
- list[0] = new sphere(vec3(0,0,-1), 0.5, new lambertian(vec3(0.8, 0.3, 0.3)));
+ list[0] = new sphere(vec3(0,0,-1), 0.5, new lambertian(vec3(0.7, 0.3, 0.3)));
list[1] = new sphere(vec3(0,-100.5,-1), 100, new lambertian(vec3(0.8, 0.8, 0.0)));
list[2] = new sphere(vec3(1,0,-1), 0.5, new metal(vec3(0.8, 0.6, 0.2)));
list[3] = new sphere(vec3(-1,0,-1), 0.5, new metal(vec3(0.8, 0.8, 0.8)));
@@ -1335,7 +1335,7 @@
Which gives:
- 
+ 
@@ -1396,7 +1396,7 @@
We can try that out by adding fuzziness 0.3 and 1.0 to the metals:
- 
+ 
@@ -1414,7 +1414,7 @@
there is a refraction ray at all. For this project, I tried to put two glass balls in our scene, and
I got this (I have not told you how to do this right or wrong yet, but soon!):
- 
+ 
@@ -1513,7 +1513,7 @@
We get:
- 
+ 
@@ -1616,7 +1616,7 @@
This gives:
- 
+ 
@@ -1687,7 +1687,7 @@
gives:
- 
+ 
@@ -1763,11 +1763,11 @@
to get:
- 
+ 
And we can change field of view to get:
- 
+ 
@@ -1883,7 +1883,7 @@
We get:
- 
+ 
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