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Corrected spelling of 'separate'

entity-framework/ef6/modeling/designer/table-splitting.md

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 # Designer Table Splitting
 This walkthrough shows how to map multiple entity types to a single table by modifying a model with the Entity Framework Designer (EF Designer).
 
-One reason you may want to use table splitting is delaying the loading of some properties when using lazy loading to load your objects. You can separate the properties that might contain very large amount of data into a seperate entity and only load it when required.
+One reason you may want to use table splitting is delaying the loading of some properties when using lazy loading to load your objects. You can separate the properties that might contain very large amount of data into a separate entity and only load it when required.
 
 The following image shows the main windows that are used when working with the EF Designer.