diff --git a/espree.js b/espree.js
index fa664b84..2615112c 100644
--- a/espree.js
+++ b/espree.js
@@ -68,6 +68,7 @@ import { getLatestEcmaVersion, getSupportedEcmaVersions } from "./lib/options.js
  * @typedef {import("./lib/options").ParserOptions} ParserOptions
  * @typedef {import("./lib/token-translator").EsprimaToken} EsprimaToken
  * @typedef {import("./lib/token-translator").TokenRange} TokenRange
+ * @typedef {import("@types/estree").Program} Program
  */
 
 
@@ -131,8 +132,8 @@ export function tokenize(code, options) {
 /**
  * Parses the given code.
  * @param {string} code The code to tokenize.
- * @param {ParserOptions} options Options defining how to tokenize.
- * @returns {acorn.Node} The "Program" AST node.
+ * @param {ParserOptions} options Options defining how to parse.
+ * @returns {Program} The "Program" AST node.
  * @throws {SyntaxError} If the input code is invalid.
  */
 export function parse(code, options) {
diff --git a/lib/espree.js b/lib/espree.js
index 53a4130b..467aca66 100644
--- a/lib/espree.js
+++ b/lib/espree.js
@@ -5,7 +5,8 @@ import { normalizeOptions } from "./options.js";
 
 /**
  * @typedef {import("acorn")} acorn
- * @typedef {import("./token-translator").TokenRange} TokenRange
+ * @typedef {import("./token-translator").Range} Range
+ * @typedef {import("./token-translator").Location} Location
  */
 
 const STATE = Symbol("espree's internal state");
@@ -15,11 +16,10 @@ const ESPRIMA_FINISH_NODE = Symbol("espree's esprimaFinishNode");
  * @typedef {Object} EsprimaComment
  * @property {"Block"|"Line"} type Type of the comment, can either be "Block" (multiline) or "Line" (single line).
  * @property {string} text Contents of the comment.
- * @property {number|undefined} start Start column of a comment.
- * @property {number|undefined} end End column of the comment.
- * @property {TokenRange|undefined} range The [start, end] range of a comment.
- * @property {acorn.Position} startLoc Start location of the comment.
- * @property {acorn.Position} endLoc End location of the comment.
+ * @property {number|undefined} start Start index of the comment in source code.
+ * @property {number|undefined} end End index of the comment in source code.
+ * @property {Range|undefined} range The [start, end] range of a comment.
+ * @property {Location} loc Location of the comment.
  */
 
 /**
diff --git a/lib/token-translator.js b/lib/token-translator.js
index 97b42ae1..c9e4e922 100644
--- a/lib/token-translator.js
+++ b/lib/token-translator.js
@@ -25,7 +25,7 @@
  */
 
 /**
- * @typedef {[number, number]} TokenRange
+ * @typedef {[number, number]} Range
  */
 
 /**
@@ -33,9 +33,9 @@
  * @property {string} type The type of this token.
  * @property {string} value The string content of the token.
  * @property {Location|undefined} loc Location in source text.
- * @property {number|undefined} start start column.
- * @property {number|undefined} end end column.
- * @property {TokenRange|undefined} range [start, end] range
+ * @property {number|undefined} start start index of the token in source code.
+ * @property {number|undefined} end end index of the token in source code.
+ * @property {Range|undefined} range [start, end] range
  */
 
 // Esprima Token Types
diff --git a/package.json b/package.json
index 7be2943e..6273d49e 100644
--- a/package.json
+++ b/package.json
@@ -33,14 +33,15 @@
   },
   "license": "BSD-2-Clause",
   "dependencies": {
-    "acorn": "^8.7.0",
-    "acorn-jsx": "^5.3.1",
+    "acorn": "^8.7.1",
+    "acorn-jsx": "^5.3.2",
     "eslint-visitor-keys": "^3.3.0"
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "^17.1.0",
     "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^11.2.0",
+    "@types/estree": "^0.0.51",
     "c8": "^7.11.0",
     "chai": "^4.3.4",
     "eslint": "^7.22.0",