diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index 646bbac3..23676bfd 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -47,6 +47,7 @@ var getJasmineRequireObj = (function (jasmineGlobal) {
     jRequire.base(j$, jasmineGlobal);
     j$.util = jRequire.util();
     j$.errors = jRequire.errors();
+    j$.formatErrorMsg = jRequire.formatErrorMsg();
     j$.Any = jRequire.Any(j$);
     j$.Anything = jRequire.Anything(j$);
     j$.CallTracker = jRequire.CallTracker(j$);
@@ -1890,6 +1891,7 @@ getJasmineRequireObj().QueueRunner = function(j$) {
         called = true;
         fn();
       }
+      return null;
     };
   }
 
@@ -2033,6 +2035,8 @@ getJasmineRequireObj().ReportDispatcher = function() {
 
 getJasmineRequireObj().SpyRegistry = function(j$) {
 
+  var getErrorMsg = j$.formatErrorMsg('<spyOn>', 'spyOn(<object>, <methodName>)');
+
   function SpyRegistry(options) {
     options = options || {};
     var currentSpies = options.currentSpies || function() { return []; };
@@ -2042,23 +2046,24 @@ getJasmineRequireObj().SpyRegistry = function(j$) {
     };
 
     this.spyOn = function(obj, methodName) {
+
       if (j$.util.isUndefined(obj)) {
-        throw new Error('spyOn could not find an object to spy upon for ' + methodName + '()');
+        throw new Error(getErrorMsg('could not find an object to spy upon for ' + methodName + '()'));
       }
 
       if (j$.util.isUndefined(methodName)) {
-        throw new Error('No method name supplied');
+        throw new Error(getErrorMsg('No method name supplied'));
       }
 
       if (j$.util.isUndefined(obj[methodName])) {
-        throw new Error(methodName + '() method does not exist');
+        throw new Error(getErrorMsg(methodName + '() method does not exist'));
       }
 
       if (obj[methodName] && j$.isSpy(obj[methodName])  ) {
         if ( !!this.respy ){
           return obj[methodName];
         }else {
-          throw new Error(methodName + ' has already been spied upon');
+          throw new Error(getErrorMsg(methodName + ' has already been spied upon'));
         }
       }
 
@@ -2070,7 +2075,7 @@ getJasmineRequireObj().SpyRegistry = function(j$) {
       }
 
       if (descriptor && !(descriptor.writable || descriptor.set)) {
-        throw new Error(methodName + ' is not declared writable or has no setter');
+        throw new Error(getErrorMsg(methodName + ' is not declared writable or has no setter'));
       }
 
       var originalMethod = obj[methodName],
@@ -2739,6 +2744,18 @@ getJasmineRequireObj().errors = function() {
     ExpectationFailed: ExpectationFailed
   };
 };
+getJasmineRequireObj().formatErrorMsg = function() {
+  function generateErrorMsg(domain, usage) {
+    var usageDefinition = usage ? '\nUsage: ' + usage : '';
+
+    return function errorMsg(msg) {
+      return domain + ' : ' + msg + usageDefinition;
+    };
+  }
+
+  return generateErrorMsg;
+};
+
 getJasmineRequireObj().matchersUtil = function(j$) {
   // TODO: what to do about jasmine.pp not being inject? move to JSON.stringify? gut PrettyPrinter?
 
@@ -3212,17 +3229,19 @@ getJasmineRequireObj().toEqual = function() {
 
 getJasmineRequireObj().toHaveBeenCalled = function(j$) {
 
+  var getErrorMsg = j$.formatErrorMsg('<toHaveBeenCalled>', 'expect(<spyObj>).toHaveBeenCalled()');
+
   function toHaveBeenCalled() {
     return {
       compare: function(actual) {
         var result = {};
 
         if (!j$.isSpy(actual)) {
-          throw new Error('Expected a spy, but got ' + j$.pp(actual) + '.');
+          throw new Error(getErrorMsg('Expected a spy, but got ' + j$.pp(actual) + '.'));
         }
 
         if (arguments.length > 1) {
-          throw new Error('toHaveBeenCalled does not take arguments, use toHaveBeenCalledWith');
+          throw new Error(getErrorMsg('Does not take arguments, use toHaveBeenCalledWith'));
         }
 
         result.pass = actual.calls.any();
@@ -3241,18 +3260,20 @@ getJasmineRequireObj().toHaveBeenCalled = function(j$) {
 
 getJasmineRequireObj().toHaveBeenCalledTimes = function(j$) {
 
+  var getErrorMsg = j$.formatErrorMsg('<toHaveBeenCalledTimes>', 'expect(<spyObj>).toHaveBeenCalledTimes(<Number>)');
+
   function toHaveBeenCalledTimes() {
     return {
       compare: function(actual, expected) {
         if (!j$.isSpy(actual)) {
-          throw new Error('Expected a spy, but got ' + j$.pp(actual) + '.');
+          throw new Error(getErrorMsg('Expected a spy, but got ' + j$.pp(actual) + '.'));
         }
 
         var args = Array.prototype.slice.call(arguments, 0),
           result = { pass: false };
 
         if (!j$.isNumber_(expected)){
-          throw new Error('The expected times failed is a required argument and must be a number.');
+          throw new Error(getErrorMsg('The expected times failed is a required argument and must be a number.'));
         }
 
         actual = args[0];
@@ -3269,8 +3290,11 @@ getJasmineRequireObj().toHaveBeenCalledTimes = function(j$) {
 
   return toHaveBeenCalledTimes;
 };
+
 getJasmineRequireObj().toHaveBeenCalledWith = function(j$) {
 
+  var getErrorMsg = j$.formatErrorMsg('<toHaveBeenCalledWith>', 'expect(<spyObj>).toHaveBeenCalledWith(...arguments)');
+
   function toHaveBeenCalledWith(util, customEqualityTesters) {
     return {
       compare: function() {
@@ -3280,7 +3304,7 @@ getJasmineRequireObj().toHaveBeenCalledWith = function(j$) {
           result = { pass: false };
 
         if (!j$.isSpy(actual)) {
-          throw new Error('Expected a spy, but got ' + j$.pp(actual) + '.');
+          throw new Error(getErrorMsg('Expected a spy, but got ' + j$.pp(actual) + '.'));
         }
 
         if (!actual.calls.any()) {
@@ -3305,11 +3329,13 @@ getJasmineRequireObj().toHaveBeenCalledWith = function(j$) {
 
 getJasmineRequireObj().toMatch = function(j$) {
 
+  var getErrorMsg = j$.formatErrorMsg('<toMatch>', 'expect(<expectation>).toMatch(<string> || <regexp>)');
+
   function toMatch() {
     return {
       compare: function(actual, expected) {
         if (!j$.isString_(expected) && !j$.isA_('RegExp', expected)) {
-          throw new Error('Expected is not a String or a RegExp');
+          throw new Error(getErrorMsg('Expected is not a String or a RegExp'));
         }
 
         var regexp = new RegExp(expected);
@@ -3326,6 +3352,8 @@ getJasmineRequireObj().toMatch = function(j$) {
 
 getJasmineRequireObj().toThrow = function(j$) {
 
+  var getErrorMsg = j$.formatErrorMsg('<toThrow>', 'expect(function() {<expectation>}).toThrow()');
+
   function toThrow(util) {
     return {
       compare: function(actual, expected) {
@@ -3334,7 +3362,7 @@ getJasmineRequireObj().toThrow = function(j$) {
           thrown;
 
         if (typeof actual != 'function') {
-          throw new Error('Actual is not a Function');
+          throw new Error(getErrorMsg('Actual is not a Function'));
         }
 
         try {
@@ -3372,6 +3400,9 @@ getJasmineRequireObj().toThrow = function(j$) {
 };
 
 getJasmineRequireObj().toThrowError = function(j$) {
+
+  var getErrorMsg =  j$.formatErrorMsg('<toThrowError>', 'expect(function() {<expectation>}).toThrowError(<ErrorConstructor>, <message>)');
+
   function toThrowError () {
     return {
       compare: function(actual) {
@@ -3381,7 +3412,7 @@ getJasmineRequireObj().toThrowError = function(j$) {
           thrown;
 
         if (typeof actual != 'function') {
-          throw new Error('Actual is not a Function');
+          throw new Error(getErrorMsg('Actual is not a Function'));
         }
 
         var errorMatcher = getMatcher.apply(null, arguments);
@@ -3437,15 +3468,15 @@ getJasmineRequireObj().toThrowError = function(j$) {
         errorType = arguments[1];
         expected = arguments[2];
         if (!isAnErrorType(errorType)) {
-          throw new Error('Expected error type is not an Error.');
+          throw new Error(getErrorMsg('Expected error type is not an Error.'));
         }
       }
 
       if (expected && !isStringOrRegExp(expected)) {
         if (errorType) {
-          throw new Error('Expected error message is not a string or RegExp.');
+          throw new Error(getErrorMsg('Expected error message is not a string or RegExp.'));
         } else {
-          throw new Error('Expected is not an Error, string, or RegExp.');
+          throw new Error(getErrorMsg('Expected is not an Error, string, or RegExp.'));
         }
       }