Fix dinosaur nomenclature and other typos

Author: janekdb

library/src/scala/collection/IterableOnce.scala

@@ -526,7 +526,7 @@ trait IterableOnceOps[+A, +CC[_], +C] extends Any { this: IterableOnce[A] =>
  * actionable information. As noted above, even the collection library itself
  * does not use it. When there is no guarantee that a collection is finite, it
  * is generally best to attempt a computation anyway and document that it will
- * not terminate for inifinite collections rather than backing out because this
+ * not terminate for infinite collections rather than backing out because this
  * would prevent performing the computation on collections that are in fact
  * finite even though `hasDefiniteSize` returns `false`.
  *

library/src/scala/collection/mutable/HashMap.scala

@@ -31,7 +31,7 @@ import scala.util.hashing.MurmurHash3
  * @define mayNotTerminateInf
  * @define willNotTerminateInf
  */
-@deprecatedInheritance("HashMap wil be made final; use .withDefault for the common use case of computing a default value", "2.13.0")
+@deprecatedInheritance("HashMap will be made final; use .withDefault for the common use case of computing a default value", "2.13.0")
 class HashMap[K, V](initialCapacity: Int, loadFactor: Double)
  extends AbstractMap[K, V]
  with MapOps[K, V, HashMap, HashMap[K, V]]

library/src/scala/jdk/IntAccumulator.scala

@@ -282,7 +282,7 @@ final class IntAccumulator
  }
 
  /**
- * Copy the elements in this `DoubleAccumulator` to a specified collection.
+ * Copy the elements in this `IntAccumulator` to a specified collection.
  * Note that the target collection is not specialized.
  * Usage example: `acc.to(Vector)`
  */