Update docs

docs/modules/api/pages/token/ERC1155.adoc

@@ -390,27 +390,27 @@ acceptance magic value.
 
 [.contract-item]
 [[IERC1155-TransferSingle-address-address-address-uint256-uint256-]]
-==== `[.contract-item-name]#++TransferSingle++#++(address operator, address from, address to, uint256 id, uint256 value)++` [.item-kind]#event#
+==== `[.contract-item-name]#++TransferSingle++#++(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value)++` [.item-kind]#event#
 
 Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
 
 [.contract-item]
 [[IERC1155-TransferBatch-address-address-address-uint256---uint256---]]
-==== `[.contract-item-name]#++TransferBatch++#++(address operator, address from, address to, uint256[] ids, uint256[] values)++` [.item-kind]#event#
+==== `[.contract-item-name]#++TransferBatch++#++(address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values)++` [.item-kind]#event#
 
 Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
 transfers.
 
 [.contract-item]
 [[IERC1155-ApprovalForAll-address-address-bool-]]
-==== `[.contract-item-name]#++ApprovalForAll++#++(address account, address operator, bool approved)++` [.item-kind]#event#
+==== `[.contract-item-name]#++ApprovalForAll++#++(address indexed account, address indexed operator, bool approved)++` [.item-kind]#event#
 
 Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
 `approved`.
 
 [.contract-item]
 [[IERC1155-URI-string-uint256-]]
-==== `[.contract-item-name]#++URI++#++(string value, uint256 id)++` [.item-kind]#event#
+==== `[.contract-item-name]#++URI++#++(string value, uint256 indexed id)++` [.item-kind]#event#
 
 Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
 

docs/modules/api/pages/token/ERC20.adoc

@@ -647,7 +647,7 @@ Emits a {Transfer} event.
 
 [.contract-item]
 [[IERC20-Transfer-address-address-uint256-]]
-==== `[.contract-item-name]#++Transfer++#++(address from, address to, uint256 value)++` [.item-kind]#event#
+==== `[.contract-item-name]#++Transfer++#++(address indexed from, address indexed to, uint256 value)++` [.item-kind]#event#
 
 Emitted when `value` tokens are moved from one account (`from`) to
 another (`to`).
@@ -656,7 +656,7 @@ Note that `value` may be zero.
 
 [.contract-item]
 [[IERC20-Approval-address-address-uint256-]]
-==== `[.contract-item-name]#++Approval++#++(address owner, address spender, uint256 value)++` [.item-kind]#event#
+==== `[.contract-item-name]#++Approval++#++(address indexed owner, address indexed spender, uint256 value)++` [.item-kind]#event#
 
 Emitted when the allowance of a `spender` for an `owner` is set by
 a call to {approve}. `value` is the new allowance.

docs/modules/api/pages/token/ERC721.adoc

@@ -677,19 +677,19 @@ See {setApprovalForAll}
 
 [.contract-item]
 [[IERC721-Transfer-address-address-uint256-]]
-==== `[.contract-item-name]#++Transfer++#++(address from, address to, uint256 tokenId)++` [.item-kind]#event#
+==== `[.contract-item-name]#++Transfer++#++(address indexed from, address indexed to, uint256 indexed tokenId)++` [.item-kind]#event#
 
 Emitted when `tokenId` token is transferred from `from` to `to`.
 
 [.contract-item]
 [[IERC721-Approval-address-address-uint256-]]
-==== `[.contract-item-name]#++Approval++#++(address owner, address approved, uint256 tokenId)++` [.item-kind]#event#
+==== `[.contract-item-name]#++Approval++#++(address indexed owner, address indexed approved, uint256 indexed tokenId)++` [.item-kind]#event#
 
 Emitted when `owner` enables `approved` to manage the `tokenId` token.
 
 [.contract-item]
 [[IERC721-ApprovalForAll-address-address-bool-]]
-==== `[.contract-item-name]#++ApprovalForAll++#++(address owner, address operator, bool approved)++` [.item-kind]#event#
+==== `[.contract-item-name]#++ApprovalForAll++#++(address indexed owner, address indexed operator, bool approved)++` [.item-kind]#event#
 
 Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
 

docs/modules/api/pages/token/ERC777.adoc

@@ -391,7 +391,7 @@ Requirements
 
 [.contract-item]
 [[IERC777-Minted-address-address-uint256-bytes-bytes-]]
-==== `[.contract-item-name]#++Minted++#++(address operator, address to, uint256 amount, bytes data, bytes operatorData)++` [.item-kind]#event#
+==== `[.contract-item-name]#++Minted++#++(address indexed operator, address indexed to, uint256 amount, bytes data, bytes operatorData)++` [.item-kind]#event#
 
 Emitted when `amount` tokens are created by `operator` and assigned to `to`.
 
@@ -399,7 +399,7 @@ Note that some additional user `data` and `operatorData` can be logged in the ev
 
 [.contract-item]
 [[IERC777-Burned-address-address-uint256-bytes-bytes-]]
-==== `[.contract-item-name]#++Burned++#++(address operator, address from, uint256 amount, bytes data, bytes operatorData)++` [.item-kind]#event#
+==== `[.contract-item-name]#++Burned++#++(address indexed operator, address indexed from, uint256 amount, bytes data, bytes operatorData)++` [.item-kind]#event#
 
 Emitted when `operator` destroys `amount` tokens from `account`.
 
@@ -407,19 +407,19 @@ Note that some additional user `data` and `operatorData` can be logged in the ev
 
 [.contract-item]
 [[IERC777-AuthorizedOperator-address-address-]]
-==== `[.contract-item-name]#++AuthorizedOperator++#++(address operator, address tokenHolder)++` [.item-kind]#event#
+==== `[.contract-item-name]#++AuthorizedOperator++#++(address indexed operator, address indexed tokenHolder)++` [.item-kind]#event#
 
 Emitted when `operator` is made operator for `tokenHolder`.
 
 [.contract-item]
 [[IERC777-RevokedOperator-address-address-]]
-==== `[.contract-item-name]#++RevokedOperator++#++(address operator, address tokenHolder)++` [.item-kind]#event#
+==== `[.contract-item-name]#++RevokedOperator++#++(address indexed operator, address indexed tokenHolder)++` [.item-kind]#event#
 
 Emitted when `operator` is revoked its operator status for `tokenHolder`.
 
 [.contract-item]
 [[IERC777-Sent-address-address-address-uint256-bytes-bytes-]]
-==== `[.contract-item-name]#++Sent++#++(address operator, address from, address to, uint256 amount, bytes data, bytes operatorData)++` [.item-kind]#event#
+==== `[.contract-item-name]#++Sent++#++(address indexed operator, address indexed from, address indexed to, uint256 amount, bytes data, bytes operatorData)++` [.item-kind]#event#
 
 :_ERC1820_REGISTRY: pass:normal[xref:#ERC777-_ERC1820_REGISTRY-contract-IERC1820Registry[`++_ERC1820_REGISTRY++`]]
 :_balances: pass:normal[xref:#ERC777-_balances-mapping-address----uint256-[`++_balances++`]]