diff --git a/README.md b/README.md
index 69cec4c..dc1a79e 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ Watching ext changes:
 npm run watch --prefix ./ext
 ````
 
-Launch Firefox and auto-reload on rebuild (run in seperate terminal):
+Launch Firefox and auto-reload on rebuild (run in separate terminal):
 
 ````sh
 npm run start --prefix ./ext
diff --git a/test/driver.js b/test/driver.js
index 2b64b19..dfba224 100644
--- a/test/driver.js
+++ b/test/driver.js
@@ -161,8 +161,8 @@ async function injectSpecs (driver) {
         .setChromeOptions(chromeOptions)
         .build();
 
-    const capabilties = await driver.getCapabilities();
-    const browserName = capabilties.get("browserName");
+    const capabilities = await driver.getCapabilities();
+    const browserName = capabilities.get("browserName");
 
     // Need to wait for cast extension on Chrome
     if (browserName === "chrome") {