diff --git a/session.go b/session.go
index <HASH>..<HASH> 100644
--- a/session.go
+++ b/session.go
@@ -944,7 +944,7 @@ func (q *Query) DefaultTimestamp(enable bool) *Query {
 // WithTimestamp will enable the with default timestamp flag on the query
 // like DefaultTimestamp does. But also allows to define value for timestamp.
 // It works the same way as USING TIMESTAMP in the query itself, but
-// should not break prepared query optimization
+// should not break prepared query optimization.
 //
 // Only available on protocol >= 3
 func (q *Query) WithTimestamp(timestamp int64) *Query {
@@ -1722,7 +1722,7 @@ func (b *Batch) DefaultTimestamp(enable bool) *Batch {
 // WithTimestamp will enable the with default timestamp flag on the query
 // like DefaultTimestamp does. But also allows to define value for timestamp.
 // It works the same way as USING TIMESTAMP in the query itself, but
-// should not break prepared query optimization
+// should not break prepared query optimization.
 //
 // Only available on protocol >= 3
 func (b *Batch) WithTimestamp(timestamp int64) *Batch {
docs(session): add missing full stop (#<I>)

...for full sentence comment. This makes the comment consistent with the

rest of the documentation.