diff --git a/Objective-J/ObjJAcornCompiler.js b/Objective-J/ObjJAcornCompiler.js
index ce3009ef7..79646a0e6 100644
--- a/Objective-J/ObjJAcornCompiler.js
+++ b/Objective-J/ObjJAcornCompiler.js
@@ -1675,7 +1675,7 @@ ClassDeclarationStatement: function(node, st, c) {
     compiler.classBodyBuffer = new StringBuffer();      // TODO: Check if this is needed
 
     if (compiler.getTypeDef(className))
-        throw compiler.error_message(className + " is already declared as type", node.classname);
+        throw compiler.error_message(className + " is already declared as a type", node.classname);
 
     if (!generate) saveJSBuffer.concat(compiler.source.substring(compiler.lastPos, node.start));
 
@@ -2414,7 +2414,7 @@ ClassStatement: function(node, st, c) {
     var className = node.id.name;
 
     if (compiler.getTypeDef(className))
-        throw compiler.error_message(className + " is already declared as type", node.id);
+        throw compiler.error_message(className + " is already declared as a type", node.id);
 
     if (!compiler.getClassDef(className)) {
         classDef = new ClassDef(false, className);