diff --git a/src/include/port/atomics/generic.h b/src/include/port/atomics/generic.h
index d2863127d3..32a01136e6 100644
--- a/src/include/port/atomics/generic.h
+++ b/src/include/port/atomics/generic.h
@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * generic.h
- *	  Implement higher level operations based on some lower level tomic
+ *	  Implement higher level operations based on some lower level atomic
  *	  operations.
  *
  * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group