diff --git a/dom/base/Document.cpp b/dom/base/Document.cpp
index adf789e897e4..be13966105a4 100644
--- a/dom/base/Document.cpp
+++ b/dom/base/Document.cpp
@@ -15391,14 +15391,14 @@ namespace {
 // privacy.userInteraction.document.interval pref.
 //  We also want to store the user-interaction before shutting down, and, for
 //  this reason, this class implements nsIAsyncShutdownBlocker interface.
-class UserIntractionTimer final : public Runnable,
-                                  public nsITimerCallback,
-                                  public nsIAsyncShutdownBlocker {
+class UserInteractionTimer final : public Runnable,
+                                   public nsITimerCallback,
+                                   public nsIAsyncShutdownBlocker {
  public:
   NS_DECL_ISUPPORTS_INHERITED
 
-  explicit UserIntractionTimer(Document* aDocument)
-      : Runnable("UserIntractionTimer"),
+  explicit UserInteractionTimer(Document* aDocument)
+      : Runnable("UserInteractionTimer"),
         mPrincipal(aDocument->NodePrincipal()),
         mDocument(do_GetWeakReference(aDocument)) {
     static int32_t userInteractionTimerId = 0;
@@ -15418,7 +15418,7 @@ class UserIntractionTimer final : public Runnable,
       return NS_OK;
     }
 
-    RefPtr<UserIntractionTimer> self = this;
+    RefPtr<UserInteractionTimer> self = this;
     auto raii =
         MakeScopeExit([self] { self->CancelTimerAndStoreUserInteraction(); });
 
@@ -15430,7 +15430,7 @@ class UserIntractionTimer final : public Runnable,
     NS_ENSURE_TRUE(!!phase, NS_OK);
 
     rv = phase->AddBlocker(this, NS_LITERAL_STRING_FROM_CSTRING(__FILE__),
-                           __LINE__, u"UserIntractionTimer shutdown"_ns);
+                           __LINE__, u"UserInteractionTimer shutdown"_ns);
     NS_ENSURE_SUCCESS(rv, NS_OK);
 
     raii.release();
@@ -15467,7 +15467,7 @@ class UserIntractionTimer final : public Runnable,
   GetState(nsIPropertyBag**) override { return NS_OK; }
 
  private:
-  ~UserIntractionTimer() = default;
+  ~UserInteractionTimer() = default;
 
   void StoreUserInteraction() {
     // Remove the shutting down blocker
@@ -15512,7 +15512,7 @@ class UserIntractionTimer final : public Runnable,
   nsString mBlockerName;
 };
 
-NS_IMPL_ISUPPORTS_INHERITED(UserIntractionTimer, Runnable, nsITimerCallback,
+NS_IMPL_ISUPPORTS_INHERITED(UserInteractionTimer, Runnable, nsITimerCallback,
                             nsIAsyncShutdownBlocker)
 
 }  // namespace
@@ -15533,7 +15533,7 @@ void Document::MaybeStoreUserInteractionAsPermission() {
     return;
   }
 
-  nsCOMPtr<nsIRunnable> task = new UserIntractionTimer(this);
+  nsCOMPtr<nsIRunnable> task = new UserInteractionTimer(this);
   nsresult rv = NS_DispatchToCurrentThreadQueue(task.forget(), 2500,
                                                 EventQueuePriority::Idle);
   if (NS_WARN_IF(NS_FAILED(rv))) {