diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
index acf2da879d227..de636e62cff1a 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
@@ -926,7 +926,7 @@ function finishConcurrentRender(root, exitStatus, lanes) {
       if (!shouldForceFlushFallbacksInDEV()) {
         // This is not a transition, but we did trigger an avoided state.
         // Schedule a placeholder to display after a short delay, using the Just
-        // Noticable Difference.
+        // Noticeable Difference.
         // TODO: Is the JND optimization worth the added complexity? If this is
         // the only reason we track the event time, then probably not.
         // Consider removing.
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
index 4e62a84e9a2ce..a60e8a58f56da 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
@@ -914,7 +914,7 @@ function finishConcurrentRender(root, exitStatus, lanes) {
       if (!shouldForceFlushFallbacksInDEV()) {
         // This is not a transition, but we did trigger an avoided state.
         // Schedule a placeholder to display after a short delay, using the Just
-        // Noticable Difference.
+        // Noticeable Difference.
         // TODO: Is the JND optimization worth the added complexity? If this is
         // the only reason we track the event time, then probably not.
         // Consider removing.