doc: extra space here too

Author: JeffMatson

doc/api/vm.md

@@ -1835,7 +1835,7 @@ It does several things at once:
 
 1. Creates a new context.
 2. If `contextObject` is an object, [contextifies][contextified] it with the new context.
-   If  `contextObject` is undefined, creates a new object and [contextifies][contextified] it.
+   If `contextObject` is undefined, creates a new object and [contextifies][contextified] it.
    If `contextObject` is [`vm.constants.DONT_CONTEXTIFY`][], don't [contextify][contextified] anything.
 3. Compiles the code as a `vm.Script`
 4. Runs the compiled code within the created context. The code does not have access to the scope in