docs: Minor fixes (#8273)

docs/docs/aztec/concepts/accounts/keys.md

@@ -1,5 +1,7 @@
+---
 title: Keys
 tags: [accounts, keys]
+---
 
 The goal of this section is to give app developer a good idea what keys there are used in the system.
 For a detailed description head over to the [protocol specification](../../../protocol-specs/addresses-and-keys/index.md).

docs/docs/reference/developer_references/smart_contract_reference/storage/private_state.md

@@ -182,7 +182,7 @@ Functionally similar to `get_note`, but executed unconstrained and can be used b
 
 `PrivateSet` is used for managing a collection of notes. All notes in a `PrivateSet` are of the same `NoteType`. But whether these notes all belong to one entity, or are accessible and editable by different entities, is up to the developer. The set is a collection of notes inserted into the data-tree, but notes are never removed from the tree itself, they are only nullified.
 
-You can view the implementation [here (GitHub link)](https://github.com/AztecProtocol/aztec-packages/blob/#include_aztec_version/noir-projects/aztec-nr/aztec/src/state_vars/set.nr).
+You can view the implementation [here (GitHub link)](https://github.com/AztecProtocol/aztec-packages/blob/#include_aztec_version/noir-projects/aztec-nr/aztec/src/state_vars/private_set.nr).
 
 And can be added to the `Storage` struct as follows. Here adding a set for a custom note, the TransparentNote (useful for public -> private communication).
 

docs/docusaurus.config.js

@@ -351,8 +351,8 @@ const config = {
             title: "Community",
             items: [
               {
-                label: "Discourse",
-                href: "https://discourse.aztec.network",
+                label: "Forum",
+                href: "https://forum.aztec.network",
               },
               {
                 label: "Discord",
@@ -362,10 +362,6 @@ const config = {
                 label: "X (Twitter)",
                 href: "https://x.com/aztecnetwork",
               },
-              {
-                label: "Plonk Cafe",
-                href: "https://www.plonk.cafe/",
-              },
             ],
           },
           {