[Docs] Fix an error in painless-types.asciidoc
@@ -311,7 +311,7 @@ to floating point types.
| int | explicit | explicit | explicit | | implicit | implicit | implicit
| long | explicit | explicit | explicit | explicit | | implicit | implicit
| float | explicit | explicit | explicit | explicit | explicit | | implicit
-| float | explicit | explicit | explicit | explicit | explicit | explicit |
+| double | explicit | explicit | explicit | explicit | explicit | explicit |
|====
@@ -376,7 +376,7 @@ cast would normally be required between the non-def types.
def x; // Declare def variable x and set it to null
x = 3; // Set the def variable x to the literal 3 with an implicit
// cast from int to def
-double a = x; // Declare double variable y and set it to def variable x,
+double a = x; // Declare double variable a and set it to def variable x,
// which contains a double
int b = x; // ERROR: Results in a run-time error because an explicit cast is
// required to cast from a double to an int
