diff --git a/mm/Kconfig b/mm/Kconfig
index 6cdd270..79ac991 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -20,7 +20,7 @@
 
 	  Some users of more advanced features like NUMA and
 	  memory hotplug may have different options here.
-	  DISCONTIGMEM is an more mature, better tested system,
+	  DISCONTIGMEM is a more mature, better tested system,
 	  but is incompatible with memory hotplug and may suffer
 	  decreased performance over SPARSEMEM.  If unsure between
 	  "Sparse Memory" and "Discontiguous Memory", choose