Backport "Fix typos in Build.scala" to LTS (#20712)

Backports #18689 to the LTS branch.

PR submitted by the release tooling.
[skip ci]

project/Build.scala

@@ -790,7 +790,7 @@ object Build {
     "-classpath" :: classpath :: beforeCp ::: fromCp.drop(2)
   }
 
-  lazy val nonBootstrapedDottyCompilerSettings = commonDottyCompilerSettings ++ Seq(
+  lazy val nonBootstrappedDottyCompilerSettings = commonDottyCompilerSettings ++ Seq(
     // packageAll packages all and then returns a map with the abs location
     packageAll := Def.taskDyn { // Use a dynamic task to avoid loops when loading the settings
       Def.task {
@@ -817,7 +817,7 @@ object Build {
     (Test / javaOptions) += "-Xss2m"
   )
 
-  lazy val bootstrapedDottyCompilerSettings = commonDottyCompilerSettings ++ Seq(
+  lazy val bootstrappedDottyCompilerSettings = commonDottyCompilerSettings ++ Seq(
     javaOptions ++= {
       val jars = packageAll.value
       Seq(
@@ -842,7 +842,7 @@ object Build {
   )
 
   def dottyCompilerSettings(implicit mode: Mode): sbt.Def.SettingsDefinition =
-    if (mode == NonBootstrapped) nonBootstrapedDottyCompilerSettings else bootstrapedDottyCompilerSettings
+    if (mode == NonBootstrapped) nonBootstrappedDottyCompilerSettings else bootstrappedDottyCompilerSettings
 
   lazy val `scala3-compiler` = project.in(file("compiler")).asDottyCompiler(NonBootstrapped)
 
@@ -1047,7 +1047,7 @@ object Build {
 
   /** Test the tasty generated by `stdlib-bootstrapped`
    *
-   *  The tests are run with the bootstrapped compiler and the tasty inpector on the classpath.
+   *  The tests are run with the bootstrapped compiler and the tasty inspector on the classpath.
    *  The classpath has the default `scala-library` and not `stdlib-bootstrapped`.
    *
    *  The jar of `stdlib-bootstrapped` is provided for to the tests.
@@ -1448,14 +1448,14 @@ object Build {
     .asDottyBench(Bootstrapped)
     .settings(Jmh / run / mainClass := Some("org.openjdk.jmh.Main"))
 
-  val testcasesOutputDir = taskKey[Seq[String]]("Root directory where tests classses are generated")
+  val testcasesOutputDir = taskKey[Seq[String]]("Root directory where tests classes are generated")
   val testcasesSourceRoot = taskKey[String]("Root directory where tests sources are generated")
   val testDocumentationRoot = taskKey[String]("Root directory where tests documentation are stored")
   val generateSelfDocumentation = taskKey[Unit]("Generate example documentation")
   // Note: the two tasks below should be one, but a bug in Tasty prevents that
   val generateScalaDocumentation = inputKey[Unit]("Generate documentation for dotty lib")
   val generateStableScala3Documentation  = inputKey[Unit]("Generate documentation for stable dotty lib")
-  val generateTestcasesDocumentation  = taskKey[Unit]("Generate documentation for testcases, usefull for debugging tests")
+  val generateTestcasesDocumentation  = taskKey[Unit]("Generate documentation for testcases, useful for debugging tests")
 
   val generateReferenceDocumentation = inputKey[Unit]("Generate language reference documentation for Scala 3")