diff --git a/src/lib/dnssd/Discovery_ImplPlatform.cpp b/src/lib/dnssd/Discovery_ImplPlatform.cpp
index ea94fed4763e47..109bbc69abbb39 100644
--- a/src/lib/dnssd/Discovery_ImplPlatform.cpp
+++ b/src/lib/dnssd/Discovery_ImplPlatform.cpp
@@ -534,7 +534,7 @@ void DiscoveryImplPlatform::HandleNodeResolve(void * context, DnssdService * res
 CHIP_ERROR DiscoveryImplPlatform::FindCommissionableNodes(DiscoveryFilter filter)
 {
     ReturnErrorOnFailure(InitImpl());
-    char serviceName[kMaxCommisisonableServiceNameSize];
+    char serviceName[kMaxCommissionableServiceNameSize];
     ReturnErrorOnFailure(MakeServiceTypeName(serviceName, sizeof(serviceName), filter, DiscoveryType::kCommissionableNode));
 
     return ChipDnssdBrowse(serviceName, DnssdServiceProtocol::kDnssdProtocolUdp, Inet::IPAddressType::kAny,
@@ -544,7 +544,7 @@ CHIP_ERROR DiscoveryImplPlatform::FindCommissionableNodes(DiscoveryFilter filter
 CHIP_ERROR DiscoveryImplPlatform::FindCommissioners(DiscoveryFilter filter)
 {
     ReturnErrorOnFailure(InitImpl());
-    char serviceName[kMaxCommisisonerServiceNameSize];
+    char serviceName[kMaxCommissionerServiceNameSize];
     ReturnErrorOnFailure(MakeServiceTypeName(serviceName, sizeof(serviceName), filter, DiscoveryType::kCommissionerNode));
 
     return ChipDnssdBrowse(serviceName, DnssdServiceProtocol::kDnssdProtocolUdp, Inet::IPAddressType::kAny,
diff --git a/src/lib/dnssd/ServiceNaming.h b/src/lib/dnssd/ServiceNaming.h
index 1c8f9e62c91d60..10e5abba465774 100644
--- a/src/lib/dnssd/ServiceNaming.h
+++ b/src/lib/dnssd/ServiceNaming.h
@@ -37,11 +37,11 @@ constexpr char kCommissionProtocol[]        = "_udp";
 constexpr char kLocalDomain[]               = "local";
 
 // each includes space for a null terminator, which becomes a . when the names are appended.
-constexpr size_t kMaxCommisisonableServiceNameSize =
+constexpr size_t kMaxCommissionableServiceNameSize =
     Common::kSubTypeMaxLength + 1 + sizeof(kSubtypeServiceNamePart) + sizeof(kCommissionableServiceName);
 
 // each includes space for a null terminator, which becomes a . when the names are appended.
-constexpr size_t kMaxCommisisonerServiceNameSize =
+constexpr size_t kMaxCommissionerServiceNameSize =
     Common::kSubTypeMaxLength + 1 + sizeof(kSubtypeServiceNamePart) + sizeof(kCommissionerServiceName);
 
 // + 1 for nullchar on prefix.