fix some typos. (#4112)

* fix some typos.

* more typos....

spec/index.spec.js

@@ -132,7 +132,7 @@ describe('server', () => {
       });
   });
 
-  it('throws if you initialize email adapter incorrecly', done => {
+  it('throws if you initialize email adapter incorrectly', done => {
     reconfigureServer({
       appName: 'unused',
       verifyUserEmails: true,
@@ -428,7 +428,7 @@ describe('server', () => {
       })
   });
 
-  it('should suceed if you provide valid ip in masterKeyIps', done => {
+  it('should succeed if you provide valid ip in masterKeyIps', done => {
     reconfigureServer({ masterKeyIps: ['1.2.3.4','2001:0db8:0000:0042:0000:8a2e:0370:7334'] })
       .then(done)
   });