chore: update comments

src/interfaces/IPlugin.sol

@@ -16,7 +16,8 @@ enum ManifestAssociatedFunctionType {
     NONE,
     // Function belongs to this plugin.
     SELF,
-    // Function belongs to an external plugin provided as a dependency during plugin installation.
+    // Function belongs to an external plugin provided as a dependency during plugin installation. Plugins MAY depend
+    // on external validation functions. It MUST NOT depend on external hooks, or installation will fail.
     DEPENDENCY,
     // Resolves to a magic value to always bypass runtime validation for a given function.
     // This is only assignable on runtime validation functions. If it were to be used on a user op validation function,
@@ -71,7 +72,7 @@ struct PluginMetadata {
     // The author field SHOULD be a username representing the identity of the user or organization
     // that created this plugin.
     string author;
-    // String desciptions of the relative sensitivity of specific functions. The selectors MUST be selectors for
+    // String descriptions of the relative sensitivity of specific functions. The selectors MUST be selectors for
     // functions implemented by this plugin.
     SelectorPermission[] permissionDescriptors;
 }

src/interfaces/IPluginManager.sol

@@ -6,6 +6,7 @@
 
 pragma solidity ^0.8.22;
 
+// Treats the first 20 bytes as an address, and the last byte as a function identifier.
 type FunctionReference is bytes21;
 
 /// @title Plugin Manager Interface

src/interfaces/IStandardExecutor.sol

@@ -9,7 +9,7 @@ pragma solidity ^0.8.22;
 struct Call {
     // The target address for the account to call.
     address target;
-    // The value sent with the call.
+    // The value to send with the call.
     uint256 value;
     // The calldata for the call.
     bytes data;
@@ -20,7 +20,7 @@ interface IStandardExecutor {
     /// @notice Standard execute method.
     /// @dev If the target is a plugin, the call SHOULD revert.
     /// @param target The target address for the account to call.
-    /// @param value The value sent with the call.
+    /// @param value The value to send with the call.
     /// @param data The calldata for the call.
     /// @return The return data from the call.
     function execute(address target, uint256 value, bytes calldata data) external payable returns (bytes memory);