f spelling val caught

Author: TheBlueMatt

lightning/src/ln/channelmanager.rs

@@ -529,7 +529,7 @@ pub(crate) const MAX_LOCAL_BREAKDOWN_TIMEOUT: u16 = 2 * 6 * 24 * 7;
 ///
 /// [`ChannelConfig::cltv_expiry_delta`]: crate::util::config::ChannelConfig::cltv_expiry_delta
 // This should always be a few blocks greater than channelmonitor::CLTV_CLAIM_BUFFER,
-// ie the node we forwarded the payment on to should always have enough room to reliably time out
+// i.e. the node we forwarded the payment on to should always have enough room to reliably time out
 // the HTLC via a full update_fail_htlc/commitment_signed dance before we hit the
 // CLTV_CLAIM_BUFFER point (we static assert that it's at least 3 blocks more).
 pub const MIN_CLTV_EXPIRY_DELTA: u16 = 6 * 6;