diff --git a/index.js b/index.js
index c20ba4b..37dd0c5 100644
--- a/index.js
+++ b/index.js
@@ -108,7 +108,7 @@ module.exports.verify = function(jwtString, secretOrPublicKey, options, callback
   }
 
   if (typeof secretOrPublicKey === "undefined" || secretOrPublicKey === null) // secretOrPublicKey can be empty string
-    return done(new JsonWebTokenError('secret or publick key must be provided'));
+    return done(new JsonWebTokenError('secret or public key must be provided'));
 
   if (!options.algorithms) {
     options.algorithms = ~secretOrPublicKey.toString().indexOf('BEGIN CERTIFICATE') ||
diff --git a/test/undefined_secretOrPublickey.tests.js b/test/undefined_secretOrPublickey.tests.js
index 9e470ba..01132ad 100644
--- a/test/undefined_secretOrPublickey.tests.js
+++ b/test/undefined_secretOrPublickey.tests.js
@@ -9,12 +9,12 @@ describe('verifying without specified secret or public key', function () {
   it('should not verify null', function () {
     expect(function () {
       jwt.verify(TOKEN, null);
-    }).to.throw(JsonWebTokenError, /secret or publick key must be provided/);
+    }).to.throw(JsonWebTokenError, /secret or public key must be provided/);
   });
 
   it('should not verify undefined', function () {
     expect(function () {
       jwt.verify(TOKEN);
-    }).to.throw(JsonWebTokenError, /secret or publick key must be provided/);
+    }).to.throw(JsonWebTokenError, /secret or public key must be provided/);
   });
 });
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