diff --git a/plugins/devkit/src/projectRoots/IdeaJdkConfigurable.java b/plugins/devkit/src/projectRoots/IdeaJdkConfigurable.java
index 2bda7f63b62c..7507d525b993 100644
--- a/plugins/devkit/src/projectRoots/IdeaJdkConfigurable.java
+++ b/plugins/devkit/src/projectRoots/IdeaJdkConfigurable.java
@@ -57,7 +57,7 @@ public class IdeaJdkConfigurable implements AdditionalDataConfigurable{
 
   public void apply() throws ConfigurationException {
     if (mySandboxHome.getText() == null || mySandboxHome.getText().length() == 0){
-      throw new ConfigurationException("Please, configure the sandbox.");
+      throw new ConfigurationException("Please configure the sandbox");
     }
     Sandbox sandbox = new Sandbox(mySandboxHome.getText());
     final SdkModificator modificator = myIdeaJdk.getSdkModificator();