diff --git a/distributed_systems/epidemic-algorithms-for-replicated-database-maintenance.pdf b/distributed_systems/epidemic-algorithms-for-replicated-database-maintenance.pdf
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diff --git a/distributed_systems/a-solution-to-the-network-challenges-of-data-recovery-in-erasure-coded-distributed-storage-systems-a-study-on-the-facebook-warehouse-cluster.pdf b/distributed_systems/network-challenges-of-data-recovery-in-erasure-coded-distributed-storage-systems.pdf
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rename from distributed_systems/a-solution-to-the-network-challenges-of-data-recovery-in-erasure-coded-distributed-storage-systems-a-study-on-the-facebook-warehouse-cluster.pdf
rename to distributed_systems/network-challenges-of-data-recovery-in-erasure-coded-distributed-storage-systems.pdf