Fix typo

Author: OlivierBlanvillain

community-build/project/build.properties

@@ -0,0 +1 @@
+sbt.version=1.2.7

community-build/src/test/scala/dotty/communitybuild/CommunityBuildTest.scala

@@ -59,7 +59,7 @@ abstract class BuildTest {
           |
           |sbt exited with an error code. To reproduce without JUnit, use:
           |
-          |    sbt prepare-for-comunity-build
+          |    sbt community-build/prepareCommunityBuild
           |    cd community-build/community-projects/$project
           |    sbt --addPluginSbtFile=$pluginFilePath "++$compilerVersion! $command"
           |

project/Build.scala

@@ -1016,12 +1016,12 @@ object Build {
       }.dependsOn(compile in Compile).evaluated
     )
 
-  lazy val `prepare-comunity-build` = taskKey[Unit]("Publish local the compiler and the sbt plugin. Also store the versions of the published local artefacts in two files, community-build/{dotty-bootstrapped.version,sbt-dotty.sbt}.")
+  lazy val `prepare-community-build` = taskKey[Unit]("Publish local the compiler and the sbt plugin. Also store the versions of the published local artefacts in two files, community-build/{dotty-bootstrapped.version,sbt-dotty.sbt}.")
 
   lazy val `community-build` = project.in(file("community-build")).
     settings(
       scalaVersion := scalacVersion,
-      `prepare-comunity-build` := {
+      `prepare-community-build` := {
         (publishLocal in `dotty-sbt-bridge`).value
         (publishLocal in `dotty-interfaces`).value
         (publishLocal in `dotty-compiler-bootstrapped`).value
@@ -1035,8 +1035,8 @@ object Build {
         IO.write(baseDirectory.value / "sbt-dotty.sbt", pluginText)
         IO.write(baseDirectory.value / "dotty-bootstrapped.version", dottyVersion)
       },
-      (Test / testOnly) := ((Test / testOnly) dependsOn `prepare-comunity-build`).evaluated,
-      (Test / test    ) := ((Test / test    ) dependsOn `prepare-comunity-build`).value,
+      (Test / testOnly) := ((Test / testOnly) dependsOn `prepare-community-build`).evaluated,
+      (Test / test    ) := ((Test / test    ) dependsOn `prepare-community-build`).value,
       libraryDependencies += "com.novocode" % "junit-interface" % "0.11" % Test,
       testOptions in Test += Tests.Argument(TestFrameworks.JUnit, "-a", "-v")
     )