fix favs.md

favorites.md

@@ -2,8 +2,8 @@
 
 Some of my favorite expressions:
 
-1. sin((x+y)/4+t) : simple yet beautiful!
-2. sin(sin(t)*(x+y)/4) : first real creation
-3. sin(t-sqrt(x*x+y*y)) : not mine, but wow!
-4. sin(y+sin(x+t)): wavy flag, moves in -x direction
-5. sin(t-sqrt(x*x+y*y)+sin(sqrt(x*x+y*y)+t)): awe-some!
+1. `sin((x+y)/4+t)` : simple yet beautiful!
+2. `sin(sin(t)*(x+y)/4)` : first real creation
+3. `sin(t-sqrt(x*x+y*y))` : not mine, but wow!
+4. `sin(y+sin(x+t))`: wavy flag, moves in -x direction
+5. `sin(t-sqrt(x*x+y*y)+sin(sqrt(x*x+y*y)+t))`: awe-some!