diff --git a/ch01.asciidoc b/ch01.asciidoc
index 746128a5..fbc95905 100644
--- a/ch01.asciidoc
+++ b/ch01.asciidoc
@@ -216,7 +216,7 @@ Joe now has Alice's bitcoin address set as the recipient. Joe enters the amount
 
 In the transaction note/description input, Joe enters "Alice". He can use this field to add some information regarding his transaction for future reference. This function is for his record keeping only. The transaction note will be stored in his wallet and only Joe will be able to see it. It will not be sent to Alice, nor stored on the blockchain.
 
-He also selects a transaction fee for his transaction. The higher the transaction fee, the faster his transaction will be confirmed (included in a block by a miner). He selects the minimum transaction fee possible at that time (0 sat/b).
+He also selects a transaction fee for his transaction. The higher the transaction fee, the faster his transaction will be confirmed (included in a block by a miner). He selects the minimum transaction fee possible at that time (0 satoshis/byte).
 
 [TIP]
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diff --git a/images/mbc2_0102.png b/images/mbc2_0102.png
index 1c5f95d9..9d2583a1 100755
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