Minor fix

Signed-off-by: Yogesh Deshpande <[email protected]>

scheme/README.md

@@ -23,7 +23,7 @@ Supporting a new attestation scheme requires defining how to provision
 endorsements (if any) by implementing [`IEndorsementHandler`](../handler/iendorsementhandler.go),
 how to process evidence tokens by implementing [`IEvidenceHandler`](../handler/ievidencehandler.go) and
 defining the suitable store interface [`IStoreHandler`](../handler/istorehandler.go)
-required by both `IEndorsementHandler` & `IEvidenceHandler`
+required by both `IEndorsementHandler` & `IEvidenceHandler`.
 
 Finally, an executable should be created that [registers](../handler/plugin.go)
 and serves them.