fix sql's join and aggregate notes typo

Author: Shenoda Guirguis <sguirguis@linkedin.com>

Reviewers: atoomula

Closes #47 from shenodaguirguis/fixtypo
diff --git a/src/main/java/samza/examples/sql/samza-sql-groupby/src/main/sql/samza.sql b/src/main/java/samza/examples/sql/samza-sql-groupby/src/main/sql/samza.sql
index 17e4c4d..716bfaa 100644
--- a/src/main/java/samza/examples/sql/samza-sql-groupby/src/main/sql/samza.sql
+++ b/src/main/java/samza/examples/sql/samza-sql-groupby/src/main/sql/samza.sql
@@ -1,5 +1,5 @@
--- NOTE: Groupby Operator is not currently not fully stable,
---       we are actively working on stabilizing it. 
+-- NOTE: Groupby Operator is currently not fully stable,
+--       we are actively working on stabilizing it.
 
 -- Emit Page view counts collected grouped by page key in the last
 -- 5 minutes at 5 minute interval and send the result to a kafka topic.
diff --git a/src/main/java/samza/examples/sql/samza-sql-stream-table-join/src/main/sql/samza.sql b/src/main/java/samza/examples/sql/samza-sql-stream-table-join/src/main/sql/samza.sql
index a856440..c1b9be0 100644
--- a/src/main/java/samza/examples/sql/samza-sql-stream-table-join/src/main/sql/samza.sql
+++ b/src/main/java/samza/examples/sql/samza-sql-stream-table-join/src/main/sql/samza.sql
@@ -1,9 +1,9 @@
--- NOTE: Join Operator is not currently not fully stable,
---       we are actively working on stabilizing it. 
+-- NOTE: Join Operator is currently not fully stable,
+--       we are actively working on stabilizing it.
 
 -- Enrich PageViewEvent with member profile data
 INSERT INTO kafka.tracking.EnrichedPageVIewEvent
-SELECT * 
+SELECT *
 FROM Kafka.PageViewEvent as pv
   JOIN Kafka.ProfileChanges.`$table` as p
     ON pv.memberid = p.memberid