diff --git a/packages/tool-cache/README.md b/packages/tool-cache/README.md
index 92ec54af..e00bb4b0 100644
--- a/packages/tool-cache/README.md
+++ b/packages/tool-cache/README.md
@@ -11,7 +11,7 @@ You can use this to download tools (or other files) from a download URL:
 ```js
 const tc = require('@actions/tool-cache');
 
-const node12Path = await tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
+const node12Path = await tc.downloadTool('https://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
 ```
 
 #### Extract
@@ -22,15 +22,15 @@ These can then be extracted in platform specific ways:
 const tc = require('@actions/tool-cache');
 
 if (process.platform === 'win32') {
-  const node12Path = tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-win-x64.zip');
+  const node12Path = tc.downloadTool('https://nodejs.org/dist/v12.7.0/node-v12.7.0-win-x64.zip');
   const node12ExtractedFolder = await tc.extractZip(node12Path, 'path/to/extract/to');
 
   // Or alternately
-  const node12Path = tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-win-x64.7z');
+  const node12Path = tc.downloadTool('https://nodejs.org/dist/v12.7.0/node-v12.7.0-win-x64.7z');
   const node12ExtractedFolder = await tc.extract7z(node12Path, 'path/to/extract/to');
 }
 else {
-  const node12Path = await tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
+  const node12Path = await tc.downloadTool('https://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
   const node12ExtractedFolder = await tc.extractTar(node12Path, 'path/to/extract/to');
 }
 ```
@@ -45,7 +45,7 @@ You'll often want to add it to the path as part of this step:
 const tc = require('@actions/tool-cache');
 const core = require('@actions/core');
 
-const node12Path = await tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
+const node12Path = await tc.downloadTool('https://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
 const node12ExtractedFolder = await tc.extractTar(node12Path, 'path/to/extract/to');
 
 const cachedPath = await tc.cacheDir(node12ExtractedFolder, 'node', '12.7.0');