diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.new.js b/packages/react-reconciler/src/ReactFiberCommitWork.new.js
index ee3ef79f7d315..62ffd2aa24ee5 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.new.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.new.js
@@ -2381,7 +2381,7 @@ function commitMutationEffectsOnFiber(
 
   // The effect flag should be checked *after* we refine the type of fiber,
   // because the fiber tag is more specific. An exception is any flag related
-  // to reconcilation, because those can be set on all fiber types.
+  // to reconciliation, because those can be set on all fiber types.
   switch (finishedWork.tag) {
     case FunctionComponent:
     case ForwardRef:
diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.old.js b/packages/react-reconciler/src/ReactFiberCommitWork.old.js
index ccfbf430eea16..58512e23d00f6 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.old.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.old.js
@@ -2381,7 +2381,7 @@ function commitMutationEffectsOnFiber(
 
   // The effect flag should be checked *after* we refine the type of fiber,
   // because the fiber tag is more specific. An exception is any flag related
-  // to reconcilation, because those can be set on all fiber types.
+  // to reconciliation, because those can be set on all fiber types.
   switch (finishedWork.tag) {
     case FunctionComponent:
     case ForwardRef: