diff --git a/docs/chain/filter-sync.md b/docs/chain/filter-sync.md
index 51f3ffb361..f945d030e2 100644
--- a/docs/chain/filter-sync.md
+++ b/docs/chain/filter-sync.md
@@ -13,6 +13,8 @@ that the bitcoind version you are using is >= `v19` as the [`getblockfilter`](ht
 rpc is implemented there. You need to make sure bitcoind is started with the `-blockfilterindex` flag. This makes it
 so we can query filters.
 
+> It is important to remember that you need fully synced block headers before you can sync filter headers and filters. Please see [the chain docs](chain.md) for syncing block headers.
+
 #### Abstract idea of syncing filters.
 
 Our internal infrastructure depends on one function to be implemented to be able to sync filters.
@@ -124,6 +126,8 @@ resultF.onComplete { _ =>
 
 Yay! Now we have synced block filters from an external data source. If you want to repeatedly sync you can just call
 
-`FilterSync.syncFilters(syncedFiltersChainApi,getFilterFunc)` every time you would like to sync. Again, you need to ensure
+`FilterSync.syncFilters(syncedFiltersChainApi,getFilterFunc)` every time you would like to sync.
+
+Again, you need to ensure
 your headers are synced before you can sync filters, so make sure that you are calling `ChainSync.sync()` before syncing
 filters.
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