Index: doc/next-tutorial/next-tutorial.txt
===================================================================
diff -u -N -rc4f449cb353be812ba6502ef8e9587e87881f59b -r8f15a5f377b42426e7d1cedea575ae356d9368da
--- doc/next-tutorial/next-tutorial.txt	(.../next-tutorial.txt)	(revision c4f449cb353be812ba6502ef8e9587e87881f59b)
+++ doc/next-tutorial/next-tutorial.txt	(.../next-tutorial.txt)	(revision 8f15a5f377b42426e7d1cedea575ae356d9368da)
@@ -1823,7 +1823,7 @@
 o4 foo a
 --------------------------------------------------
 
-Value contraints are specified as parameter options in the parameter
+Value constraints are specified as parameter options in the parameter
 specifications. The parameter specification +x:integer+ defines +x+ as
 a required positional parmeter which value is constraint to an
 integer. The parameter specification +o:object,optional+ shows how to