cmd-index.txt: Fix anchors
cmd-index.txt: Fix anchors

Links to the anchors are currently not working.

Change-Id: I43c41c4d04bc665a4fe846de2d8fbc5b77bf7a81
Signed-off-by: Edwin Kempin <d43fb6c98c97e553b671ed9a9318100f1de386e7@google.com>

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