Fix build errors

content/concepts/accounts/deleting-accounts.md

@@ -5,7 +5,7 @@ blurb: About deleting an XRP Ledger account.
 labels:
   - Accounts
 ---
-## Deleting Accounts
+# Deleting Accounts
 
 The owner of an account can send an [AccountDelete transaction][] to deletes the account and related entries from the ledger, sending most of the account's remaining XRP balance to another account. To discourage wasteful creation and deletion of accounts, deleting an account requires burning a higher than usual amount of XRP as the [transaction cost](transaction-cost.html).
 

content/concepts/ledgers/open-closed-validated-ledgers.md

@@ -5,7 +5,7 @@ blurb: Ledger objects have one of three states — open, closed, or validated.
 labels:
   - Blockchain
 ---
-## Open, Closed, and Validated Ledgers
+# Open, Closed, and Validated Ledgers
 
 The `rippled` server makes a distinction between ledger versions that are _open_, _closed_, and _validated_. A server has one open ledger, any number of closed but unvalidated ledgers, and an immutable history of validated ledgers. The following table summarizes the difference:
 

content/references/http-websocket-apis/public-api-methods/path-and-order-book-methods/amm_info.md

@@ -13,7 +13,7 @@ labels:
 
 The `{{currentpage.name}}` method gets information about an Automated Market Maker (AMM) instance.
 
-{% include '_snippets/amm-disclaimer.md' %}
+_(Requires the [AMM amendment][] :not_enabled:)_
 
 
 ### Request Format