diff --git a/src/vppinfra/heap.h b/src/vppinfra/heap.h
index 70e34cb..f76c945 100644
--- a/src/vppinfra/heap.h
+++ b/src/vppinfra/heap.h
@@ -137,7 +137,7 @@
 
   format_function_t *format_elt;
 
-  /* Used for validattion/debugging. */
+  /* Used for validation/debugging. */
   uword *used_elt_bitmap;
 
   /* First and last element of doubly linked chain of elements. */
@@ -150,7 +150,7 @@
 
   u32 flags;
   /* Static heaps are made from external memory given to
-     us by user and are not re-sizeable vectors. */
+     us by user and are not re-sizable vectors. */
 #define HEAP_IS_STATIC (1)
 } heap_header_t;