Fix spec SPV appendix links to other sections
These were incorrect relative links after recent consistency changes to
relative link structure.
@@ -13,9 +13,9 @@ endif::tbtc[]
While a full discussion of SPV proofs is outside the scope of this document, it
is important to develop a working understanding of their properties, as many
system-critical processes rely on the SPV security assumptions. SPV proofs are
-used during the <<docs/deposit.adoc#funding,funding>>,
-<<docs/redemption.adoc#redemption,redemption>>, and
-<<docs/failure.adoc#fraud,fraud>> processes to provide the host chain with
+used during the <<deposits/index.adoc#funding,funding>>,
+<<redemption/index.adoc#redemption,redemption>>, and
+<<failure/index.adoc#fraud,fraud>> processes to provide the host chain with
information about the state of the remote chain. Practically speaking, there
is no other way that the host chain can learn about the state or history of
the remote chain.
