diff --git a/README.md b/README.md
index a62db85..47c37d1 100644
--- a/README.md
+++ b/README.md
@@ -52,12 +52,12 @@ The Arduino must be loaded with the [serial program][] and connected to USB. The
 
 If you don't have the board, pad and Arduino, you can test the game using keyboard-only mode.
 
-Refer to [Scrapeboard_Builder's_Manual][] for how to build the circuit.
+Refer to [Scrapeboard Builder's Manual][] for how to build the circuit.
 
 Raspberry Pi
 ------------
 
-Raspberry Pi GPIO input is also supported. Refer to [Scrapeboard_Builder's_Manual][] for how to build the circuit. Once the circuit is in place, the game will be able to detect GPIO input. Run with the `--pi` flag to activate Raspberry Pi mode.
+Raspberry Pi GPIO input is also supported. Refer to [Scrapeboard Builder's Manual][] for how to build the circuit. Once the circuit is in place, the game will be able to detect GPIO input. Run with the `--pi` flag to activate Raspberry Pi mode.
 
     ./OPEN-GAME --pi