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Update gamebridge-2020-05-09.markdown

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@ -31,7 +31,7 @@ gamebridge stack](/static/blog/gamebridge.png)
You can view the [source code of this diagram in GraphViz dot format You can view the [source code of this diagram in GraphViz dot format
here](/static/blog/gamebridge.dot). here](/static/blog/gamebridge.dot).
The main magic that keeps this glued together is the use of _non-blocking_ I/O. The main magic that keeps this glued together is the use of _blocking_ I/O.
This means that the bridge input thread will be blocked _at the kernel level_ This means that the bridge input thread will be blocked _at the kernel level_
for the vblank signal to be written, and the game will also be blocked at the for the vblank signal to be written, and the game will also be blocked at the
kernel level for the bridge input thread to write the desired input. This kernel level for the bridge input thread to write the desired input. This