diff --git a/bip-0047.mediawiki b/bip-0047.mediawiki
index 4b1763fb..0c55de0b 100644
--- a/bip-0047.mediawiki
+++ b/bip-0047.mediawiki
@@ -229,7 +229,7 @@ The following actions are recommended to reduce this risk:
 <img src="bip-0047/reusable_payment_codes-04.png" />
 <img src="bip-0047/reusable_payment_codes-05.png" />
 # Bob is watching for incoming payments on B' ever since he received the notification transaction from Alice.
-## Bob calculates n shared secrets with Alice, using the 0<sup>th</sup> public key derived Alice's payment code, and private keys 0 - n derived from Bob's payment code, where n is his desired lookahead window.
+## Bob calculates n shared secrets with Alice, using the 0<sup>th</sup> public key derived from Alice's payment code, and private keys 0 - n derived from Bob's payment code, where n is his desired lookahead window.
 ## Bob calculates the ephemeral deposit addresses using the same procedure as Alice: <pre>B' = B + sG</pre>
 ## Bob calculate the private key for each ephemeral address as: <pre>b' = b + s</pre>
 <img src="bip-0047/reusable_payment_codes-02.png" />