Use correct <a> tag syntax in javadoc @see tag

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=137946021

java/google/registry/monitoring/metrics/StackdriverWriter.java

@@ -63,7 +63,8 @@ import org.joda.time.format.ISODateTimeFormat;
  * CPU, it buffers points to be written until it has {@code maxPointsPerRequest} points buffered or
  * until {@link #flush()} is called.
  *
- * @see <a href="Stackdriver API Introduction">https://cloud.google.com/monitoring/api/v3/</a>
+ * @see <a href="https://cloud.google.com/monitoring/api/v3/">Introduction to the Stackdriver
+ *     Monitoring API</a>
  */
 // TODO(shikhman): add retry logic
 @NotThreadSafe