Standardize changelog entries

Author: karenzone

CHANGELOG.md

@@ -3,10 +3,10 @@
 
 ## 5.1.3
   - Improve robustness when handling errors from `sequel` library in jdbc static and streaming
-    filters[#78](https://github.com/logstash-plugins/logstash-integration-jdbc/pull/78)
+    filters [#78](https://github.com/logstash-plugins/logstash-integration-jdbc/pull/78)
 
 ## 5.1.2
-  -  Fix `prepared_statement_bind_values` in streaming filter to resolve nested event's fields[#76](https://github.com/logstash-plugins/logstash-integration-jdbc/pull/76)
+  -  Fix `prepared_statement_bind_values` in streaming filter to resolve nested event's fields [#76](https://github.com/logstash-plugins/logstash-integration-jdbc/pull/76)
 
 ## 5.1.1
   - [DOC] Changed docs to indicate that logstash-jdbc-static requires local_table [#56](https://github.com/logstash-plugins/logstash-integration-jdbc/pull/56). Fixes [#55](https://github.com/logstash-plugins/logstash-integration-jdbc/issues/55).