Merge #72: doc: s/Satoshi/Bitcoin

29d77de doc: s/Satoshi/Bitcoin (zkao)

Pull request description:

  Unit was wrong in the docs

ACKs for top commit:
  afilini:
    ACK 29d77de

Tree-SHA512: a172647cb3c7dc55444f89f9b05832c2b073fc6062c439719bb5c4aecc739be20592ee93111ecee491b0b37e0a0c49f7c3c331a1099bbd6070711d9f5ae0c093

src/api.rs

@@ -84,7 +84,7 @@ pub trait ElectrumApi {
     /// Tries to fetch `count` block headers starting from `start_height`.
     fn block_headers(&self, start_height: usize, count: usize) -> Result<GetHeadersRes, Error>;
 
-    /// Estimates the fee required in **Satoshis per kilobyte** to confirm a transaction in `number` blocks.
+    /// Estimates the fee required in **Bitcoin per kilobyte** to confirm a transaction in `number` blocks.
     fn estimate_fee(&self, number: usize) -> Result<f64, Error>;
 
     /// Returns the minimum accepted fee by the server's node in **Bitcoin, not Satoshi**.