diff --git a/src/coreclr/nativeaot/Runtime/thread.cpp b/src/coreclr/nativeaot/Runtime/thread.cpp
index 91199d29a9202a..e25b8283e7d6ec 100644
--- a/src/coreclr/nativeaot/Runtime/thread.cpp
+++ b/src/coreclr/nativeaot/Runtime/thread.cpp
@@ -74,7 +74,7 @@ void Thread::WaitForGC(PInvokeTransitionFrame* pTransitionFrame)
 
     do
     {
-        // set preemptive mode
+        // set preemptive mode.
         VolatileStoreWithoutBarrier(&m_pTransitionFrame, pTransitionFrame);
 
         RedhawkGCInterface::WaitForGCCompletion();