Update the documentation

Author: sakthivelmanii

sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/SpannerAccessor.java

@@ -114,7 +114,8 @@ static SpannerOptions buildSpannerOptions(SpannerConfig spannerConfig) {
     SpannerOptions.Builder builder = SpannerOptions.newBuilder();
 
     // TODO(https://github.com/apache/beam/issues/37451) Disable gRPC gcp extension which was
-    // causing the application thread to stall. Remove this once Spanner fixes the hanging issue
+    // causing the application thread to stall.
+    // Remove this once Spanner fixes the hanging issue
     builder.disableGrpcGcpExtension();
 
     Set<Code> retryableCodes = new HashSet<>();