remove blank space on second bullet point

specification/columns/subaccountid.md

@@ -5,7 +5,7 @@ A Sub Account ID is a provider-assigned identifier assigned to a [*sub account*]
 The SubAccountId column adheres to the following requirements:
 
 * The SubAccountId column MUST be present in a [*FOCUS dataset*](#glossary:FOCUS-dataset) when the provider supports a *sub account* construct.
-* This column MUST be of type String. 
+* This column MUST be of type String.
 * If a charge does not apply to a *sub account*, the SubAccountId column MUST be null.
 
 See [Appendix: Grouping constructs for resources or services](#groupingconstructsforresourcesorservices) for details and examples of the different grouping constructs supported by FOCUS.