fixup! improved explanation

Author: erights

packages/ses/error-codes/SES_UNCAUGHT_EXCEPTION.md

@@ -6,7 +6,7 @@ This behavior is configured by calling `lockdown` with the [errorTrapping][] opt
 
 Otherwise, when thrown exceptions have no `catch` handler, the SES shim will print `SES_UNCAUGHT_EXCEPTION: exception...` to the error console.  In that case, `exception...` is the thrown exception, augmented with causal error information when possible.
 
-On some platforms, the default errorTrapping behavior reports the error, but the platform's user trapping mechanism reports only an event with no error. (See https://github.com/endojs/endo/issues/2941 test1.) In that case, non-default `errorTrapping` reports the event about the error, rather than the error itself. This often has much less relevant information.
+On some platforms, the default errorTrapping behavior reports the error, but the platform's user trapping mechanism reports only an event with no error. (See https://github.com/endojs/endo/issues/2941 test1.) In that case, non-default `errorTrapping` reports the event about the error, rather than the error itself. This often has much less relevant information than the (inaccessible) error would, but is better than nothing.
 
 For most programs, the error console is intended for human consumption, and so the `SES_UNCAUGHT_EXCEPTION:` output can be useful in giving a clue as to the source of a failure.