Fix some minor typos and grammar in transactions docs
diff --git a/source/documentation/tdb/tdb_transactions.md b/source/documentation/tdb/tdb_transactions.md
index bf716b3..2335400 100644
--- a/source/documentation/tdb/tdb_transactions.md
+++ b/source/documentation/tdb/tdb_transactions.md
@@ -33,7 +33,7 @@
[write-ahead-logging](http://en.wikipedia.org/wiki/Write-ahead_logging). All
changes made inside a write-transaction are written to
[journals](http://en.wikipedia.org/wiki/Journaling_file_system), then propagated
-to the main database at a suitable moment. Transactions is TDB1 are limited in
+to the main database at a suitable moment. Transactions in TDB1 are limited in
size to a few 10's of million triples because they retain data in-memory until
indexes can be updated.
@@ -63,7 +63,7 @@
- [Nested transactions](http://en.wikipedia.org/wiki/Nested_transaction)
are not supported.
-TDB2 remved the limitations of TDB1:
+TDB2 removed the limitations of TDB1:
- Some active transaction state is held exclusively in-memory,
limiting scalability.
@@ -222,7 +222,7 @@
Multiple applications, running in multiple JVMs, using the same
file databases is not supported and has a high risk of data corruption. Once corrupted a database cannot be repaired
and must be rebuilt from the original source data. Therefore there **must** be a single JVM
-controlling the database directory and files. TDB includes automatic prevention against multi-JVM
+controlling the database directory and files. TDB includes automatic prevention against multi-JVM usage
which prevents this under most circumstances.
Use [Fuseki](../fuseki2/) to provide a database server for multiple
