diff --git a/main/src/main/scala/sbt/Defaults.scala b/main/src/main/scala/sbt/Defaults.scala
index d0a768ae2..866eface9 100755
--- a/main/src/main/scala/sbt/Defaults.scala
+++ b/main/src/main/scala/sbt/Defaults.scala
@@ -404,7 +404,7 @@ object Defaults extends BuildCommon {
     logManager := LogManager.defaults(extraLoggers.value, StandardMain.console),
     onLoadMessage := (onLoadMessage or
       Def.setting {
-        s"Set current project to ${name.value} (in build ${thisProjectRef.value.build})"
+        s"set current project to ${name.value} (in build ${thisProjectRef.value.build})"
       }).value
   )
 
diff --git a/main/src/main/scala/sbt/Main.scala b/main/src/main/scala/sbt/Main.scala
index 0ab32f035..f796b16af 100644
--- a/main/src/main/scala/sbt/Main.scala
+++ b/main/src/main/scala/sbt/Main.scala
@@ -842,7 +842,15 @@ object BuiltinCommands {
     }
   }
 
+  private def welcomeBanner(state: State): Unit = {
+    import scala.util.Properties
+    val appVersion = state.configuration.provider.id.version()
+    val javaVersion = s"${Properties.javaVendor} Java ${Properties.javaVersion}"
+    state.log.info(s"welcome to sbt $appVersion ($javaVersion)")
+  }
+
   def doLoadProject(s0: State, action: LoadAction.Value): State = {
+    welcomeBanner(s0)
     checkSBTVersionChanged(s0)
     val (s1, base) = Project.loadAction(SessionVar.clear(s0), action)
     IO.createDirectory(base)
diff --git a/main/src/main/scala/sbt/MainLoop.scala b/main/src/main/scala/sbt/MainLoop.scala
index 5c7487f0f..b9d9fa43c 100644
--- a/main/src/main/scala/sbt/MainLoop.scala
+++ b/main/src/main/scala/sbt/MainLoop.scala
@@ -99,7 +99,7 @@ object MainLoop {
     val sbtVersion = sbtVersionOpt.getOrElse(appId.version)
     val currentArtDirs = defaultBoot * "*" / appId.groupID / appId.name / sbtVersion
     currentArtDirs.get foreach { dir =>
-      state.log.info(s"Deleting $dir")
+      state.log.info(s"deleting $dir")
       IO.delete(dir)
     }
   }
diff --git a/main/src/main/scala/sbt/internal/GlobalPlugin.scala b/main/src/main/scala/sbt/internal/GlobalPlugin.scala
index 34e2d62b8..5f25200bb 100644
--- a/main/src/main/scala/sbt/internal/GlobalPlugin.scala
+++ b/main/src/main/scala/sbt/internal/GlobalPlugin.scala
@@ -108,7 +108,7 @@ object GlobalPlugin {
   val globalPluginSettings = Project.inScope(Scope.GlobalScope in LocalRootProject)(
     Seq(
       organization := SbtArtifacts.Organization,
-      onLoadMessage := Keys.baseDirectory("Loading global plugins from " + _).value,
+      onLoadMessage := Keys.baseDirectory("loading global plugins from " + _).value,
       name := "global-plugin",
       sbtPlugin := true,
       version := "0.0"
diff --git a/main/src/main/scala/sbt/internal/Load.scala b/main/src/main/scala/sbt/internal/Load.scala
index d188072fb..c3f52dcfe 100755
--- a/main/src/main/scala/sbt/internal/Load.scala
+++ b/main/src/main/scala/sbt/internal/Load.scala
@@ -254,7 +254,7 @@ private[sbt] object Load {
     val data = timed("Load.apply: Def.make(settings)...", log) {
       // When settings.size is 100000, Def.make takes around 10s.
       if (settings.size > 10000) {
-        log.info(s"Resolving key references (${settings.size} settings) ...")
+        log.info(s"resolving key references (${settings.size} settings) ...")
       }
       Def.make(settings)(delegates, config.scopeLocal, Project.showLoadingKey(loaded))
     }
@@ -565,7 +565,7 @@ private[sbt] object Load {
     checkDirectory(projectBase)
     assert(
       buildBase == projectBase || IO.relativize(buildBase, projectBase).isDefined,
-      s"Directory $projectBase is not contained in build root $buildBase"
+      s"directory $projectBase is not contained in build root $buildBase"
     )
   }
 
@@ -669,12 +669,12 @@ private[sbt] object Load {
 
   def getBuild[T](map: Map[URI, T], uri: URI): T = map.getOrElse(uri, noBuild(uri))
 
-  def emptyBuild(uri: URI) = sys.error(s"No root project defined for build unit '$uri'")
-  def noBuild(uri: URI) = sys.error(s"Build unit '$uri' not defined.")
-  def noProject(uri: URI, id: String) = sys.error(s"No project '$id' defined in '$uri'.")
+  def emptyBuild(uri: URI) = sys.error(s"no root project defined for build unit '$uri'")
+  def noBuild(uri: URI) = sys.error(s"build unit '$uri' not defined.")
+  def noProject(uri: URI, id: String) = sys.error(s"no project '$id' defined in '$uri'.")
 
   def noConfiguration(uri: URI, id: String, conf: String) =
-    sys.error(s"No configuration '$conf' defined in project '$id' in '$uri'")
+    sys.error(s"no configuration '$conf' defined in project '$id' in '$uri'")
 
   // Called from builtinLoader
   def loadUnit(uri: URI, localBase: File, s: State, config: LoadBuildConfiguration): BuildUnit =
@@ -975,7 +975,7 @@ private[sbt] object Load {
       e: AutoPluginException,
       project: Project
   ): AutoPluginException =
-    e.withPrefix(s"Error determining plugins for project '${project.id}' in ${project.base}:\n")
+    e.withPrefix(s"error determining plugins for project '${project.id}' in ${project.base}:\n")
 
   /**
    * Represents the results of flushing out a directory and discovering all the projects underneath it.
@@ -1034,7 +1034,7 @@ private[sbt] object Load {
         def settings(files: Seq[File]): Seq[Setting[_]] = {
           if (files.nonEmpty)
             log.info(
-              s"${files.map(_.getName).mkString(s"Loading settings for project ${p.id} from ", ",", " ...")}"
+              s"${files.map(_.getName).mkString(s"loading settings for project ${p.id} from ", ",", " ...")}"
             )
           for {
             file <- files
@@ -1163,7 +1163,7 @@ private[sbt] object Load {
           opts
         )
       },
-      onLoadMessage := ("Loading project definition from " + baseDirectory.value)
+      onLoadMessage := ("loading project definition from " + baseDirectory.value)
     )
   )