fix comments

Author: AntoxaAntoxic

src/main/java/org/prebid/server/bidder/blis/BlisBidder.java

@@ -37,7 +37,7 @@ public class BlisBidder implements Bidder<BidRequest> {
     private static final TypeReference<ExtPrebid<?, ExtImpBlis>> BLIS_EXT_TYPE_REFERENCE = new TypeReference<>() {
     };
     private static final String AUCTION_PRICE_MACRO = "${AUCTION_PRICE}";
-    private static final String SUPPLY_ID_MACRO = "{{SupplyId}";
+    private static final String SUPPLY_ID_MACRO = "{{SupplyId}}";
 
     private final String endpointUrl;
     private final JacksonMapper mapper;

src/test/java/org/prebid/server/bidder/blis/BlisBidderTest.java

@@ -38,7 +38,7 @@
 @ExtendWith(MockitoExtension.class)
 public class BlisBidderTest extends VertxTest {
 
-    private static final String ENDPOINT_URL = "https://endpoint.com/?spid={{SupplyId}";
+    private static final String ENDPOINT_URL = "https://endpoint.com/?spid={{SupplyId}}";
 
     private final BlisBidder target = new BlisBidder(ENDPOINT_URL, jacksonMapper);