Update describe error message to no longer assume errant args are done

Fixes #896

src/core/Env.js

@@ -291,7 +291,7 @@ getJasmineRequireObj().Env = function(j$) {
     this.describe = function(description, specDefinitions) {
       var suite = suiteFactory(description);
       if (specDefinitions.length > 0) {
-        throw new Error('describe does not expect a done parameter');
+        throw new Error('describe does not expect any arguments');
       }
       if (currentDeclarationSuite.markedPending) {
         suite.pend();