Fix a typo

doc/ref_kernel.rst

@@ -25,7 +25,7 @@ consist of arithmetic operations and calls to functions.
 If the outermost operation of the RHS expression is a function call,
 the RHS value may be a tuple, and multiple (still scalar) arrays appear
 as LHS values. (This is the only sense in which tuple types are supported.)
-Each statement is parametrized by zero or more loop variables ("inames").
+Each statement is parameterized by zero or more loop variables ("inames").
 A statement is executed once for each integer point defined by the domain
 forest for the iname tuple given for that statement
 (:attr:`loopy.InstructionBase.within_inames`). Each execution of a