diff --git a/README.md b/README.md
index dc3f2725..b7146fdb 100644
--- a/README.md
+++ b/README.md
@@ -92,26 +92,24 @@ jobs:
 
 ```
 
-Download and set up a specific unstable version of Python:
+Download and set up the accurate pre-release version of Python:
 ```yaml
 steps:
 - uses: actions/checkout@v2
 - uses: actions/setup-python@v2
   with:
     python-version: '3.9.0-beta.4'
-    architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
     stable: false # optional true or false. Defaults to true if not specified
 - run: python my_script.py
 ```
 
-Download and set up a latest available unstable version of Python (including a stable version):
+Download and set up the latest available version of Python (including both pre-release and stable versions):
 ```yaml
 steps:
 - uses: actions/checkout@v2
 - uses: actions/setup-python@v2
   with:
     python-version: '3.9.0-alpha - 3.9.0' # SemVer's version range syntax
-    architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
     stable: false # optional true or false. Defaults to true if not specified
 - run: python my_script.py
 ```
diff --git a/__tests__/finder.test.ts b/__tests__/finder.test.ts
index 4bc1e9c5..b3a8df13 100644
--- a/__tests__/finder.test.ts
+++ b/__tests__/finder.test.ts
@@ -55,7 +55,7 @@ describe('Finder tests', () => {
     await finder.findPythonVersion('1.2.3', 'x64', true);
   });
 
-  it('Finds unstable Python version in the manifest', async () => {
+  it('Finds pre-release Python version in the manifest', async () => {
     const findSpy: jest.SpyInstance = jest.spyOn(tc, 'getManifestFromRepo');
     findSpy.mockImplementation(() => <tc.IToolRelease[]>manifestData);