diff --git a/java/execution/impl/src/com/intellij/execution/util/JavaParametersUtil.java b/java/execution/impl/src/com/intellij/execution/util/JavaParametersUtil.java
index 4d948dae8a2d..c13f76791f65 100644
--- a/java/execution/impl/src/com/intellij/execution/util/JavaParametersUtil.java
+++ b/java/execution/impl/src/com/intellij/execution/util/JavaParametersUtil.java
@@ -136,7 +136,7 @@ public class JavaParametersUtil {
     }
     final boolean isJdk = JavaSdk.checkForJdk(new File(jreHome));
     if (isJdk) {
-      throw new CantRunException("Jre expected but jdk found");
+      throw new CantRunException("Alternative JRE path needs to point to a JRE, not to a complete JDK installation");
     }
     final Sdk jdk = JavaSdk.getInstance().createJdk("", jreHome);
     if (jdk == null) throw CantRunException.noJdkConfigured();
diff --git a/platform/platform-resources-en/src/messages/ExecutionBundle.properties b/platform/platform-resources-en/src/messages/ExecutionBundle.properties
index b2f05abc66bd..a2177d38107c 100644
--- a/platform/platform-resources-en/src/messages/ExecutionBundle.properties
+++ b/platform/platform-resources-en/src/messages/ExecutionBundle.properties
@@ -207,7 +207,7 @@ failed.to.generate.wrapper.error.message=Failed to generate temporary html wrapp
 
 application.configuration.use.classpath.and.jdk.of.module.label=Use classpath of m&odule:
 application.configuration.main.class.label=Main &class:
-jre.path.is.not.valid.jre.home.error.mesage=''{0}'' is not valid JRE home
+jre.path.is.not.valid.jre.home.error.mesage=''{0}'' is not a valid JRE home
 main.method.not.found.in.class.error.message=Main method not found in class {0}
 no.user.process.input.error.message=No process input
 fix.run.configuration.problem.button=Fix