diff --git a/src/language-js/print/arrow-function.js b/src/language-js/print/arrow-function.js
index 6eeccfb01..8752687b7 100644
--- a/src/language-js/print/arrow-function.js
+++ b/src/language-js/print/arrow-function.js
@@ -60,6 +60,9 @@ function shouldAddParensIfNotBreak(node) {
 // so that the required parentheses end up on their own lines.
 const shouldAlwaysAddParens = (node) => node.type === "SequenceExpression";
 
+/*
+- `ArrowFunctionExpression`
+*/
 function printArrowFunction(path, options, print, args = {}) {
   /** @type {Doc[]} */
   const signatureDocs = [];
diff --git a/src/language-js/print/function-parameters.js b/src/language-js/print/function-parameters.js
index 2cfb316a8..fd83de8ce 100644
--- a/src/language-js/print/function-parameters.js
+++ b/src/language-js/print/function-parameters.js
@@ -31,6 +31,29 @@ import {
 
 /** @import AstPath from "../../common/ast-path.js" */
 
+/*
+- `ArrowFunctionExpression`
+- `FunctionDeclaration`
+- `FunctionExpression`
+- `ObjectMethod`
+- `Property`
+- `ObjectProperty`
+- `ClassMethod`
+- `ClassPrivateMethod`
+- `MethodDefinition
+- `TSFunctionType` (TypeScript)
+- `TSCallSignatureDeclaration` (TypeScript)
+- `TSConstructorType` (TypeScript)
+- `TSConstructSignatureDeclaration` (TypeScript)
+- `TSDeclareFunction`(TypeScript)
+- `TSAbstractMethodDefinition` (TypeScript)
+- `TSDeclareMethod` (TypeScript)
+- `TSEmptyBodyFunctionExpression` (TypeScript)
+- `TSMethodSignature` (TypeScript)
+- `FunctionTypeAnnotation` (Flow)
+- `HookDeclaration` (Flow)
+- `HookTypeAnnotation` (Flow)
+*/
 function printFunctionParameters(
   path,
   options,
diff --git a/src/language-js/print/function.js b/src/language-js/print/function.js
index 539921bd9..ead2b8d1b 100644
--- a/src/language-js/print/function.js
+++ b/src/language-js/print/function.js
@@ -34,8 +34,8 @@ const isMethodValue = ({ node, key, parent }) =>
     (parent.type === "Property" && isMethod(parent)));
 
 /*
-- "FunctionDeclaration"
-- "FunctionExpression"
+- `FunctionDeclaration`
+- `FunctionExpression`
 - `TSDeclareFunction`(TypeScript)
 */
 function printFunction(path, options, print, args) {
@@ -100,6 +100,9 @@ function printFunction(path, options, print, args) {
 }
 
 /*
+- `FunctionDeclaration`
+- `FunctionExpression`
+- `TSDeclareFunction`(TypeScript)
 - `ObjectMethod`
 - `Property`
 - `ObjectProperty`
@@ -139,6 +142,17 @@ function printMethod(path, options, print) {
   return parts;
 }
 
+/*
+- `ObjectMethod`
+- `Property`
+- `ObjectProperty`
+- `ClassMethod`
+- `ClassPrivateMethod`
+- `MethodDefinition
+- `TSAbstractMethodDefinition` (TypeScript)
+- `TSDeclareMethod` (TypeScript)
+- `TSEmptyBodyFunctionExpression` (TypeScript)
+*/
 function printMethodValue(path, options, print) {
   const { node } = path;
   const parametersDoc = printFunctionParameters(path, options, print);
diff --git a/src/language-js/print/hook.js b/src/language-js/print/hook.js
index e37225f75..24e4850f6 100644
--- a/src/language-js/print/hook.js
+++ b/src/language-js/print/hook.js
@@ -12,7 +12,7 @@ import { printDeclareToken } from "./miscellaneous.js";
  */
 
 /*
-- "HookDeclaration"
+- `HookDeclaration` (Flow)
 */
 function printHook(path, options, print) {
   const { node } = path;
diff --git a/src/language-js/print/method-signature.js b/src/language-js/print/method-signature.js
index 2fe02d3db..91edc7aa6 100644
--- a/src/language-js/print/method-signature.js
+++ b/src/language-js/print/method-signature.js
@@ -10,6 +10,9 @@ import {
 } from "./miscellaneous.js";
 import { printTypeAnnotationProperty } from "./type-annotation.js";
 
+/*
+- `TSMethodSignature` (TypeScript)
+*/
 function printMethodSignature(path, options, print) {
   const { node } = path;
   const parts = [];