diff --git a/contrib/pg_buffercache/pg_buffercache_pages.c b/contrib/pg_buffercache/pg_buffercache_pages.c
index 98016fc..761c277 100644
--- a/contrib/pg_buffercache/pg_buffercache_pages.c
+++ b/contrib/pg_buffercache/pg_buffercache_pages.c
@@ -142,7 +142,7 @@ pg_buffercache_pages(PG_FUNCTION_ARGS)
 			LWLockAcquire(BufMappingPartitionLockByIndex(i), LW_SHARED);
 
 		/*
-		 * Scan though all the buffers, saving the relevant fields in the
+		 * Scan through all the buffers, saving the relevant fields in the
 		 * fctx->record structure.
 		 */
 		for (i = 0; i < NBuffers; i++)