diff --git a/lib/middleware/discovery.js b/lib/middleware/discovery.js
index c44422c8..67ac7486 100644
--- a/lib/middleware/discovery.js
+++ b/lib/middleware/discovery.js
@@ -108,7 +108,7 @@ function createMiddleware({resources}) {
 				sendResponse();
 			});
 		} else {
-			next(new Error(`Unkown discovery type "${type}"`));
+			next(new Error(`Unknown discovery type "${type}"`));
 		}
 	};
 }
diff --git a/lib/server.js b/lib/server.js
index a374a24b..095301ca 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -10,7 +10,7 @@ const ReaderCollectionPrioritized = ui5Fs.ReaderCollectionPrioritized;
 /**
  * Returns a promise resolving by starting the server.
  *
- * @param {Object} app The express applicaton object
+ * @param {Object} app The express application object
  * @param {number} port Desired port to listen to
  * @param {boolean} changePortIfInUse If true and the port is already in use, an unused port is searched
  * @param {boolean} acceptRemoteConnections If true, listens to remote connections and not only to localhost connections
diff --git a/test/lib/server/middleware/middlewareRepository.js b/test/lib/server/middleware/middlewareRepository.js
index e44cb5de..fd7d8a05 100644
--- a/test/lib/server/middleware/middlewareRepository.js
+++ b/test/lib/server/middleware/middlewareRepository.js
@@ -7,7 +7,7 @@ test("getMiddleware", async (t) => {
 	t.is(res, cspModule, "Returned correct middleware module");
 });
 
-test("getMiddleware: Unkown middleware", async (t) => {
+test("getMiddleware: Unknown middleware", async (t) => {
 	const err = t.throws(() => {
 		middlewareRepository.getMiddleware("🐬");
 	});