diff --git a/doc/events.md b/doc/events.md
index 798ab1ad6..b2d123f48 100644
--- a/doc/events.md
+++ b/doc/events.md
@@ -17,7 +17,7 @@
 
 * `STOP_BROWSER` - emitted right before browser session end. Emitted with [browser instance](../lib/browser/new-browser.js). If handler returns a promise quit will be performed only after the promise is resolved.
 
-* `BEGIN` - runner event. Emitted on runner start with 1 argment `data`:
+* `BEGIN` - runner event. Emitted on runner start with 1 argument `data`:
     * `data.suiteCollection` - suite collection which will be run
     * `data.config` - gemini config
     * `data.totalStates` - number of states in collection
diff --git a/test/unit/runner/index.js b/test/unit/runner/index.js
index 091665218..e65bce2bd 100644
--- a/test/unit/runner/index.js
+++ b/test/unit/runner/index.js
@@ -133,7 +133,7 @@ describe('runner', () => {
                 return run(runner).then(() => assert.calledOnce(onBegin));
             });
 
-            it('should suite collection of states when emitting "BEGIN" event', () => {
+            it('should pass suite collection on "BEGIN" event', () => {
                 const runner = createRunner();
                 const suiteCollection = {allSuites: sinon.stub()};
                 const onBegin = sinon.spy().named('onBegin');
@@ -144,7 +144,7 @@ describe('runner', () => {
                     .then(() => assert.calledWithMatch(onBegin, {suiteCollection}));
             });
 
-            it('should pass total number of states when emitting "BEGIN" event', () => {
+            it('should pass total number of states on "BEGIN" event', () => {
                 const runner = createRunner();
                 const suiteCollection = {allSuites: sinon.stub()};
                 const suites = [
@@ -161,7 +161,7 @@ describe('runner', () => {
                 return run(runner, suiteCollection).then(() => assert.calledWithMatch(onBegin, {totalStates: 3}));
             });
 
-            it('should pass all browser ids when emitting "BEGIN" event', () => {
+            it('should pass all browser ids on "BEGIN" event', () => {
                 const runner = createRunner();
                 const onBegin = sinon.spy().named('onBegin');
 
@@ -172,7 +172,7 @@ describe('runner', () => {
                 return run(runner).then(() => assert.calledWithMatch(onBegin, {browserIds: ['bro1', 'bro2']}));
             });
 
-            it('should pass config when emitting "BEGIN" event', () => {
+            it('should pass config on "BEGIN" event', () => {
                 const runner = createRunner();
                 const config = runner.config;
                 const onBegin = sinon.spy().named('onBegin');