Update models-definition.md (#7397)

docs/docs/models-definition.md

@@ -134,7 +134,7 @@ Sequelize.GEOMETRY('POINT')           // Spatial column with geometry type. Post
 Sequelize.GEOMETRY('POINT', 4326)     // Spatial column with geometry type and SRID.  PostgreSQL (with PostGIS) or MySQL only.
 ```
 
-The BLOB data type allows you to insert data both as strings and as buffers. When you do a find or findAll on a model which has a BLOB column. that data will always be returned as a buffer.
+The BLOB data type allows you to insert data both as strings and as buffers. When you do a find or findAll on a model which has a BLOB column, that data will always be returned as a buffer.
 
 If you are working with the PostgreSQL TIMESTAMP WITHOUT TIME ZONE and you need to parse it to a different timezone, please use the pg library's own parser: