From 8325d8abd72894f96b9d5c05375cf86ac0341a49 Mon Sep 17 00:00:00 2001
From: Li Haoyi <haoyi.sg@gmail.com>
Date: Mon, 9 Sep 2024 10:16:17 +0800
Subject: [PATCH 1/2] .

---
 scalalib/src/mill/scalalib/JavaModule.scala | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scalalib/src/mill/scalalib/JavaModule.scala b/scalalib/src/mill/scalalib/JavaModule.scala
index 184a79ad2f2..9ca2c25f02c 100644
--- a/scalalib/src/mill/scalalib/JavaModule.scala
+++ b/scalalib/src/mill/scalalib/JavaModule.scala
@@ -108,7 +108,8 @@ trait JavaModule
           case mains =>
             Left(
               s"Multiple main classes found (${mains.mkString(",")}) " +
-                "please explicitly specify which one to use by overriding mainClass"
+              "please explicitly specify which one to use by overriding `mainClass` " +
+              "or using `runMain <main-class> <...args>` instead of `run`"
             )
         }
     }

From b9db4c580ff928eae5caee74ef2e64749c581e8c Mon Sep 17 00:00:00 2001
From: Li Haoyi <haoyi.sg@gmail.com>
Date: Mon, 9 Sep 2024 10:27:17 +0800
Subject: [PATCH 2/2] Update JavaModule.scala

---
 scalalib/src/mill/scalalib/JavaModule.scala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scalalib/src/mill/scalalib/JavaModule.scala b/scalalib/src/mill/scalalib/JavaModule.scala
index 9ca2c25f02c..cf29ce5e64c 100644
--- a/scalalib/src/mill/scalalib/JavaModule.scala
+++ b/scalalib/src/mill/scalalib/JavaModule.scala
@@ -108,8 +108,8 @@ trait JavaModule
           case mains =>
             Left(
               s"Multiple main classes found (${mains.mkString(",")}) " +
-              "please explicitly specify which one to use by overriding `mainClass` " +
-              "or using `runMain <main-class> <...args>` instead of `run`"
+                "please explicitly specify which one to use by overriding `mainClass` " +
+                "or using `runMain <main-class> <...args>` instead of `run`"
             )
         }
     }