diff --git a/README.md b/README.md
index d7a97cc..5730c38 100644
--- a/README.md
+++ b/README.md
@@ -24,13 +24,13 @@ lc.info('hello'); // prints "hello"
 const lc2 = new LogContext('info', 'name');
 lc.info('hello'); // prints "name hello"
 
-const lc3 = lc2.addContext('bbb');
+const lc3 = lc2.withContext('bbb');
 lc3.info('hello'); // prints "name bbb hello"
 
-const lc4 = lc3.addContext('ccc');
+const lc4 = lc3.withContext('ccc');
 lc4.info('hello'); // prints "name bbb ccc hello"
 
-const lc5 = lc4.addContext('ddd', 'eee');
+const lc5 = lc4.withContext('ddd', 'eee');
 lc5.info('hello'); // prints "name bbb ccc ddd=eee hello"
 
 // Or get a context logger appropriate for the Node environment.
diff --git a/src/logger.test.ts b/src/logger.test.ts
index 7e8e559..8041509 100644
--- a/src/logger.test.ts
+++ b/src/logger.test.ts
@@ -131,15 +131,15 @@ test('LogContext formatting', () => {
   lc.debug?.('aaa');
   expect(mockDebug.lastCall.args).to.deep.equal(['aaa']);
 
-  const lc2 = new LogContext('debug').addContext('bbb');
+  const lc2 = new LogContext('debug').withContext('bbb');
   lc2.debug?.('ccc');
   expect(mockDebug.lastCall.args).to.deep.equal(['bbb', 'ccc']);
 
-  const lc3 = lc2.addContext('ddd');
+  const lc3 = lc2.withContext('ddd');
   lc3.debug?.('eee');
   expect(mockDebug.lastCall.args).to.deep.equal(['bbb', 'ddd', 'eee']);
 
-  const lc4 = lc2.addContext('fff', 'ggg');
+  const lc4 = lc2.withContext('fff', 'ggg');
   lc4.debug?.('hhh');
   expect(mockDebug.lastCall.args).to.deep.equal(['bbb', 'fff=ggg', 'hhh']);
 });
@@ -165,11 +165,11 @@ test('Optional tag', () => {
   lc.debug?.('a');
   expect(mockDebug.lastCall.args).to.deep.equal(['a']);
 
-  const lc2 = lc.addContext('b');
+  const lc2 = lc.withContext('b');
   lc2.debug?.('c');
   expect(mockDebug.lastCall.args).to.deep.equal(['b', 'c']);
 
-  const lc3 = lc.addContext('d', 'e');
+  const lc3 = lc.withContext('d', 'e');
   lc3.debug?.('f');
   expect(mockDebug.lastCall.args).to.deep.equal(['d=e', 'f']);
 });
@@ -237,9 +237,9 @@ test('Context-aware LogSink', () => {
   const lc = new LogContext('debug', sink);
 
   lc.info?.(1, 2);
-  lc.addContext('foo', {bar: 'baz'}).debug?.(3, 4);
-  lc.addContext('boo', 'oof').info?.(5, 6);
-  lc.addContext('abc', 'is').addContext('easy', 'as').info?.(1, 2, 3);
+  lc.withContext('foo', {bar: 'baz'}).debug?.(3, 4);
+  lc.withContext('boo', 'oof').info?.(5, 6);
+  lc.withContext('abc', 'is').withContext('easy', 'as').info?.(1, 2, 3);
   lc.debug?.(7, 8);
 
   expect(sink.messages).to.deep.equal([
diff --git a/src/logger.ts b/src/logger.ts
index f07475c..1c0a006 100644
--- a/src/logger.ts
+++ b/src/logger.ts
@@ -151,7 +151,7 @@ export class SilentLogger implements OptionalLogger {}
  *
  *   const lc = new LogContext('debug');
  *   lc.debug?.('hello');
- *   const lc2 = lc.addContext('foo');
+ *   const lc2 = lc.withContext('foo');
  *   f(lc2);  // logging inside f will contain 'foo' in the Context.
  */
 export class LogContext extends OptionalLoggerImpl {
@@ -174,7 +174,7 @@ export class LogContext extends OptionalLoggerImpl {
    * Creates a new Logger that with the given key and value
    * added to the logged Context.
    */
-  addContext(key: string, value?: unknown): LogContext {
+  withContext(key: string, value?: unknown): LogContext {
     const ctx = {...this._context, [key]: value};
     return new LogContext(this._level, this._logSink, ctx);
   }