diff --git a/quiche/quic/test_tools/fake_proof_source_handle.cc b/quiche/quic/test_tools/fake_proof_source_handle.cc
index 18d93d9..9ab13ce 100644
--- a/quiche/quic/test_tools/fake_proof_source_handle.cc
+++ b/quiche/quic/test_tools/fake_proof_source_handle.cc
@@ -53,12 +53,12 @@
 FakeProofSourceHandle::FakeProofSourceHandle(
     ProofSource* delegate, ProofSourceHandleCallback* callback,
     Action select_cert_action, Action compute_signature_action,
-    QuicDelayedSSLConfig dealyed_ssl_config)
+    QuicDelayedSSLConfig delayed_ssl_config)
     : delegate_(delegate),
       callback_(callback),
       select_cert_action_(select_cert_action),
       compute_signature_action_(compute_signature_action),
-      dealyed_ssl_config_(dealyed_ssl_config) {}
+      delayed_ssl_config_(delayed_ssl_config) {}
 
 void FakeProofSourceHandle::CloseHandle() {
   select_cert_op_.reset();
@@ -87,7 +87,7 @@
   if (select_cert_action_ == Action::DELEGATE_ASYNC ||
       select_cert_action_ == Action::FAIL_ASYNC) {
     select_cert_op_.emplace(delegate_, callback_, select_cert_action_,
-                            all_select_cert_args_.back(), dealyed_ssl_config_);
+                            all_select_cert_args_.back(), delayed_ssl_config_);
     return QUIC_PENDING;
   } else if (select_cert_action_ == Action::FAIL_SYNC ||
              select_cert_action_ == Action::FAIL_SYNC_DO_NOT_CHECK_CLOSED) {
@@ -95,7 +95,7 @@
         /*ok=*/false,
         /*is_sync=*/true, nullptr, /*handshake_hints=*/absl::string_view(),
         /*ticket_encryption_key=*/absl::string_view(),
-        /*cert_matched_sni=*/false, dealyed_ssl_config_);
+        /*cert_matched_sni=*/false, delayed_ssl_config_);
     return QUIC_FAILURE;
   }
 
@@ -110,7 +110,7 @@
       ok, /*is_sync=*/true, chain.get(),
       /*handshake_hints=*/absl::string_view(),
       /*ticket_encryption_key=*/absl::string_view(),
-      /*cert_matched_sni=*/cert_matched_sni, dealyed_ssl_config_);
+      /*cert_matched_sni=*/cert_matched_sni, delayed_ssl_config_);
   return ok ? QUIC_SUCCESS : QUIC_FAILURE;
 }
 
@@ -177,10 +177,10 @@
 
 FakeProofSourceHandle::SelectCertOperation::SelectCertOperation(
     ProofSource* delegate, ProofSourceHandleCallback* callback, Action action,
-    SelectCertArgs args, QuicDelayedSSLConfig dealyed_ssl_config)
+    SelectCertArgs args, QuicDelayedSSLConfig delayed_ssl_config)
     : PendingOperation(delegate, callback, action),
       args_(std::move(args)),
-      dealyed_ssl_config_(dealyed_ssl_config) {}
+      delayed_ssl_config_(delayed_ssl_config) {}
 
 void FakeProofSourceHandle::SelectCertOperation::Run() {
   if (action_ == Action::FAIL_ASYNC) {
@@ -189,7 +189,7 @@
         /*is_sync=*/false, nullptr,
         /*handshake_hints=*/absl::string_view(),
         /*ticket_encryption_key=*/absl::string_view(),
-        /*cert_matched_sni=*/false, dealyed_ssl_config_);
+        /*cert_matched_sni=*/false, delayed_ssl_config_);
   } else if (action_ == Action::DELEGATE_ASYNC) {
     bool cert_matched_sni;
     quiche::QuicheReferenceCountedPointer<ProofSource::Chain> chain =
@@ -200,7 +200,7 @@
         ok, /*is_sync=*/false, chain.get(),
         /*handshake_hints=*/absl::string_view(),
         /*ticket_encryption_key=*/absl::string_view(),
-        /*cert_matched_sni=*/cert_matched_sni, dealyed_ssl_config_);
+        /*cert_matched_sni=*/cert_matched_sni, delayed_ssl_config_);
   } else {
     QUIC_BUG(quic_bug_10139_1)
         << "Unexpected action: " << static_cast<int>(action_);
diff --git a/quiche/quic/test_tools/fake_proof_source_handle.h b/quiche/quic/test_tools/fake_proof_source_handle.h
index 960544a..f6d0935 100644
--- a/quiche/quic/test_tools/fake_proof_source_handle.h
+++ b/quiche/quic/test_tools/fake_proof_source_handle.h
@@ -31,11 +31,11 @@
   };
 
   // |delegate| must do cert selection and signature synchronously.
-  // |dealyed_ssl_config| is the config passed to OnSelectCertificateDone.
+  // |delayed_ssl_config| is the config passed to OnSelectCertificateDone.
   FakeProofSourceHandle(
       ProofSource* delegate, ProofSourceHandleCallback* callback,
       Action select_cert_action, Action compute_signature_action,
-      QuicDelayedSSLConfig dealyed_ssl_config = QuicDelayedSSLConfig());
+      QuicDelayedSSLConfig delayed_ssl_config = QuicDelayedSSLConfig());
 
   ~FakeProofSourceHandle() override = default;
 
@@ -148,7 +148,7 @@
     SelectCertOperation(ProofSource* delegate,
                         ProofSourceHandleCallback* callback, Action action,
                         SelectCertArgs args,
-                        QuicDelayedSSLConfig dealyed_ssl_config);
+                        QuicDelayedSSLConfig delayed_ssl_config);
 
     ~SelectCertOperation() override = default;
 
@@ -156,7 +156,7 @@
 
    private:
     const SelectCertArgs args_;
-    const QuicDelayedSSLConfig dealyed_ssl_config_;
+    const QuicDelayedSSLConfig delayed_ssl_config_;
   };
 
   class ComputeSignatureOperation : public PendingOperation {
@@ -183,7 +183,7 @@
   Action select_cert_action_ = Action::DELEGATE_SYNC;
   // Action for the next compute signature operation.
   Action compute_signature_action_ = Action::DELEGATE_SYNC;
-  const QuicDelayedSSLConfig dealyed_ssl_config_;
+  const QuicDelayedSSLConfig delayed_ssl_config_;
   std::optional<SelectCertOperation> select_cert_op_;
   std::optional<ComputeSignatureOperation> compute_signature_op_;