Fixed Spelling.

summingbird-online/src/test/scala/com/twitter/summingbird/online/PlannerSpec.scala

@@ -118,7 +118,7 @@ class PlannerSpec extends WordSpec {
   }
 
   /*
-   * Tests the alsoProducer case for two seperate sub-topologies.
+   * Tests the alsoProducer case for two separate sub-topologies.
    * Asserts : There are two sourceNodes
    *           Each SourceNode has a single dependant.
    *           Each SourceNode has a summer as dependant.

summingbird-scalding/src/main/scala/com/twitter/summingbird/scalding/store/VersionedBatchStore.scala

@@ -77,7 +77,7 @@ abstract class VersionedBatchStoreBase[K, V](val rootPath: String) extends Batch
    *
    * The version numbers are the exclusive upper-bound of time
    * covered by this store, while the batchIDs are the inclusive
-   * upper bound. Put another way, all events that occured before the
+   * upper bound. Put another way, all events that occurred before the
    * version are included in this store.
    */
   def batchIDToVersion(b: BatchID): Long = batcher.earliestTimeOf(b.next).milliSinceEpoch