fix grammar

diff --git a/doc/build/dialects/index.rst b/doc/build/dialects/index.rst
index dc0cac5c93d81b5656edacd8be6b6200c0664a5e..fc1210994b3501233040b1f9fe2e7828917abd7a 100644 (file)
--- a/doc/build/dialects/index.rst
+++ b/doc/build/dialects/index.rst
@@ -38,7 +38,7 @@ External Dialects
    SQLAlchemy install and test suite from growing inordinately large.
 
    The "classic" dialects such as SQLite, MySQL, Postgresql, Oracle,
-   SQL Server, Firebird will remain in the Core for the time being.
+   SQL Server, and Firebird will remain in the Core for the time being.
 
 Current external dialect projects for SQLAlchemy include: