diff --git a/include/ansidecl.h b/include/ansidecl.h
index 793b1e654..16adc47a1 100644
--- a/include/ansidecl.h
+++ b/include/ansidecl.h
@@ -361,7 +361,7 @@ So instead we use the macro below and test it against specific values.  */
 # endif /* GNUC >= 3.0 */
 #endif /* ATTRIBUTE_ALIGNED_ALIGNOF */
 
-/* Useful for structures whoes layout must much some binary specification
+/* Useful for structures whose layout must much some binary specification
    regardless of the alignment and padding qualities of the compiler.  */
 #ifndef ATTRIBUTE_PACKED
 # define ATTRIBUTE_PACKED __attribute__ ((packed))