Update comment

Author: nicolasstucki

project/Build.scala

@@ -762,8 +762,8 @@ object Build {
   lazy val `dotty-staging` = project.in(file("staging")).
     withCommonSettings(Bootstrapped).
     // We want the compiler to be present in the compiler classpath when compiling this project but not
-    // when compiling a project that depends on dotty-staging (see ...), but we always need it to be present
-    // on the JVM classpath at runtime.
+    // when compiling a project that depends on dotty-staging (see sbt-dotty/sbt-test/sbt-dotty/quoted-example-project),
+    // but we always need it to be present on the JVM classpath at runtime.
     dependsOn(dottyCompiler(Bootstrapped) % "provided").
     dependsOn(dottyCompiler(Bootstrapped) % "compile->runtime").
     dependsOn(dottyCompiler(Bootstrapped) % "test->test").

sbt-dotty/sbt-test/sbt-dotty/quoted-example-project/test

@@ -2,3 +2,4 @@
 > test
 $ copy-file src/changes/Hello.scala src/main/scala/hello/Hello.scala
 -> compile
+# it should not compile because the compiler should not be on the compiler classpath when depending on dotty-staging