[ABANDONED] Add some comments

[Khaled Hosny (via Code Review)]

Khaled Hosny has abandoned this change.

Change subject: Add some comments
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Patch Set 4: Abandoned

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Gerrit-MessageType: abandon
Gerrit-Change-Id: I2a0dbf5f69efa0f35170c77a1efc9936cf9ecb94
Gerrit-PatchSet: 4
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Khaled Hosny <khaledhosny at eglug.org>