Fix typo in docs.

Fix typo in docs.

TBR=iannuicci@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2852113002
Committed: https://github.com/luci/gae/commit/0e27a767acba8bcee488f26d829d2ef515ac231e

[tandrii(chromium), 2017-05-01 19:13:06]

The CQ bit was checked by tandrii@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-05-01 19:13:11]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-01 19:16:21]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-05-01 19:16:22]

Dry run: This issue passed the CQ dry run.

[tandrii(chromium), 2017-06-19 07:47:58]

The CQ bit was checked by tandrii@chromium.org

[commit-bot: I haz the power, 2017-06-19 07:48:04]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-06-19 07:51:35]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1497858478079690, "parent_rev":
"7fe31a85c38ae699ea573c34cdb65829ee0709fc", "commit_rev":
"0e27a767acba8bcee488f26d829d2ef515ac231e"}

[commit-bot: I haz the power, 2017-06-19 07:51:38]

Description was changed from

==========
Fix typo in docs.

TBR=iannuicci@chromium.org
BUG=
==========

to

==========
Fix typo in docs.

TBR=iannuicci@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2852113002
Committed:
https://github.com/luci/gae/commit/0e27a767acba8bcee488f26d829d2ef515ac231e
==========

[commit-bot: I haz the power, 2017-06-19 07:51:39]

Committed patchset #1 (id:1) as
https://github.com/luci/gae/commit/0e27a767acba8bcee488f26d829d2ef515ac231e