examples: htlc: Fix doc typos

Author: tcharding

examples/htlc.rs

@@ -51,7 +51,7 @@ fn main() {
         "or(and(pk(022222222222222222222222222222222222222222222222222222222222222222),sha256(1111111111111111111111111111111111111111111111111111111111111111)),and(pk(020202020202020202020202020202020202020202020202020202020202020202),older(4444)))"
     );
 
-    // Get the scriptPpubkey for this Wsh descriptor.
+    // Get the scriptPubkey for this Wsh descriptor.
     assert_eq!(
         format!("{:x}", htlc_descriptor.script_pubkey()),
         "0020d853877af928a8d2a569c9c0ed14bd16f6a80ce9cccaf8a6150fd8f7f8867ae2"
@@ -63,7 +63,7 @@ fn main() {
         "21022222222222222222222222222222222222222222222222222222222222222222ac6476a91451814f108670aced2d77c1805ddd6634bc9d473188ad025c11b26782012088a82011111111111111111111111111111111111111111111111111111111111111118768"
     );
 
-    // Get the address for this Wsh descriptor.v
+    // Get the address for this Wsh descriptor.
     assert_eq!(
         format!("{}", htlc_descriptor.address(Network::Bitcoin)),
         "bc1qmpfcw7he9z5d9ftfe8qw699azmm2sr8fen903fs4plv007yx0t3qxfmqv5"