f - doc fixes

Author: jkczyz

lightning/src/offers/offer.rs

@@ -101,7 +101,7 @@ impl OfferBuilder {
 		self
 	}
 
-	/// Sets the metadata for the offer.
+	/// Sets the metadata for the offer. Useful for authentication and validating fields.
 	///
 	/// Successive calls to this method will override the previous setting.
 	pub fn metadata(mut self, metadata: Vec<u8>) -> Self {
@@ -133,7 +133,7 @@ impl OfferBuilder {
 		self
 	}
 
-	/// Sets the issuer for the offer as seconds since the Unix epoch.
+	/// Sets the issuer for the offer.
 	///
 	/// Successive calls to this method will override the previous setting.
 	pub fn issuer(mut self, issuer: String) -> Self {
@@ -149,7 +149,7 @@ impl OfferBuilder {
 		self
 	}
 
-	/// Sets a fixed quantity of items for the offer.
+	/// Sets a fixed quantity of items for the offer. If not set, `1` is assumed.
 	///
 	/// Successive calls to this method or [`quantity_range`] will override the previous setting.
 	///
@@ -161,7 +161,7 @@ impl OfferBuilder {
 		self
 	}
 
-	/// Sets a quantity range of items for the offer.
+	/// Sets a quantity range of items for the offer. If not set, `1` is assumed.
 	///
 	/// Successive calls to this method or [`quantity_fixed`] will override the previous setting.
 	///