readme code again.

README.md

@@ -265,14 +265,17 @@ The screen on which every other node renders.
 - __dockBorders__ - automatically "dock" borders with other elements instead of
   overlapping, depending on position (__experimental__). for example:
   These border-overlapped elements:
+```
 ┌─────────┌─────────┐
 │ box1    │ box2    │
 └─────────└─────────┘
+```
   Become:
+```
 ┌─────────┬─────────┐
 │ box1    │ box2    │
 └─────────┴─────────┘
-
+```
 - __fullUnicode__ - allow for rendering of East Asian double-width characters.
   also enable proper rendering of utf-16 surrogate pairs. this allows you to
   display text above the basic multilingual plane. this is behind an option