diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index d09f082f6..181e1fc4e 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,5 +1,5 @@
 {
-  // See http://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+  // See https://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
   // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
   // List of extensions which should be recommended for users of this workspace.
   "recommendations": [
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index bdd90e9ce..7d69d05ff 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -25,7 +25,7 @@ Here are a few things you can do that will increase the likelihood of your pull
 * Follow the [style guide][style].
 * Write tests. Tests that don't require the VS Code API are located [here](extensions/ql-vscode/test). Integration tests that do require the VS Code API are located [here](extensions/ql-vscode/src/vscode-tests).
 * Keep your change as focused as possible. If there are multiple changes you would like to make that are not dependent upon each other, consider submitting them as separate pull requests.
-* Write a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
+* Write a [good commit message](https://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
 
 ## Setting up a local build
 
diff --git a/extensions/ql-vscode/gulpfile.ts/tsconfig.json b/extensions/ql-vscode/gulpfile.ts/tsconfig.json
index 82050dd37..fb6ff4880 100644
--- a/extensions/ql-vscode/gulpfile.ts/tsconfig.json
+++ b/extensions/ql-vscode/gulpfile.ts/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "http://json.schemastore.org/tsconfig",
+  "$schema": "https://json.schemastore.org/tsconfig",
   "compilerOptions": {
     "declaration": true,
     "strict": true,
diff --git a/extensions/ql-vscode/src/vscode-tests/no-workspace/databaseFetcher.test.ts b/extensions/ql-vscode/src/vscode-tests/no-workspace/databaseFetcher.test.ts
index a0d11eaa8..2a15b2ede 100644
--- a/extensions/ql-vscode/src/vscode-tests/no-workspace/databaseFetcher.test.ts
+++ b/extensions/ql-vscode/src/vscode-tests/no-workspace/databaseFetcher.test.ts
@@ -66,7 +66,7 @@ describe('databaseFetcher', function() {
       );
     });
 
-    it('should fail on a nonexistant prohect', async () => {
+    it('should fail on a nonexistent project', async () => {
       quickPickSpy.resolves('javascript');
       const lgtmUrl = 'https://lgtm.com/projects/g/github/hucairz';
       expect(convertToDatabaseUrl(lgtmUrl)).to.rejectedWith(/Invalid LGTM URL/);
diff --git a/extensions/ql-vscode/tsconfig.json b/extensions/ql-vscode/tsconfig.json
index 518af2b84..0336a6809 100644
--- a/extensions/ql-vscode/tsconfig.json
+++ b/extensions/ql-vscode/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "http://json.schemastore.org/tsconfig",
+  "$schema": "https://json.schemastore.org/tsconfig",
   "compilerOptions": {
     "declaration": true,
     "strict": true,