Fix docs typo

Author: pditommaso

docs/google.rst

@@ -480,7 +480,7 @@ google.location                                The Google *location* where the j
 google.enableRequesterPaysBuckets              When ``true`` uses the configured Google project id as the billing project for storage access. This is required when accessing data from *reqester pays enabled* buckets. See `Requester Pays on Google Cloud Storage documentation  <https://cloud.google.com/storage/docs/requester-pays>`_ (default: ``false``)
 google.lifeSciences.bootDiskSize               Set the size of the virtual machine boot disk e.g `50.GB` (default: none).
 google.lifeSciences.copyImage                  The container image run to copy input and output files. It must include the ``gsutil`` tool (default: ``google/cloud-sdk:alpine``).
-google.lifeSciences.debug                      When ``true`` copies the `/google` debug directory in that task bucket directory (defualt: ``false``)
+google.lifeSciences.debug                      When ``true`` copies the `/google` debug directory in that task bucket directory (default: ``false``)
 google.lifeSciences.preemptible                When ``true`` enables the usage of *preemptible* virtual machines or ``false`` otherwise (default: ``true``)
 google.lifeSciences.usePrivateAddress          When ``true`` the VM will NOT be provided with a public IP address, and only contain an internal IP. If this option is enabled, the associated job can only load docker images from Google Container Registry, and the job executable cannot use external services other than Google APIs (default: ``false``). Requires version `20.03.0-edge` or later.
 google.lifeSciences.sshDaemon                  When ``true`` runs SSH daemon in the VM carrying out the job to which it's possible to connect for debugging purposes (default: ``false``).