diff --git a/CHANGELOG.md b/CHANGELOG.md
index c397e4c..d7c4763 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ Note the first digit of every adapter version corresponds to the major version o
 Adapters are compatible with any Chartboost Mediation SDK version within that major version.
 
 ### 4.2.4.0.0.1
+- Call to fetch bidding token now includes placement format.
 - This version of the adapter has been certified with BidMachine 2.4.0.0.
 
 ### 4.2.4.0.0.0
diff --git a/Source/BidMachineAdapter.swift b/Source/BidMachineAdapter.swift
index 3ab30ce..db2418b 100644
--- a/Source/BidMachineAdapter.swift
+++ b/Source/BidMachineAdapter.swift
@@ -82,7 +82,7 @@ final class BidMachineAdapter: PartnerAdapter {
         case .rewarded:
             placementFormat = .rewarded
         default:
-            // Not using the `.adaptiveBanner` or `.rewardedInterstitial cases directly to maintain
+            // Not using the `.adaptiveBanner` or `.rewardedInterstitial` cases directly to maintain
             // backward compatibility with Chartboost Mediation 4.0
             if request.format.rawValue == "adaptive_banner" {
                 placementFormat = .banner
@@ -97,7 +97,7 @@ final class BidMachineAdapter: PartnerAdapter {
         }
 
         BidMachineSdk.shared.token(with: placementFormat) { [self] token in
-            guard let token = token else {
+            guard let token else {
                 let error = error(.prebidFailureInvalidArgument, description: "No bidding token provided by BidMachine SDK")
                 log(.fetchBidderInfoFailed(request, error: error))
                 completion(nil)