Trying to tweak error message a little.

src/main/java/org/torproject/metrics/exonerator/ExoneraTorServlet.java

@@ -175,7 +175,7 @@ public class ExoneraTorServlet extends HttpServlet {
         /* If the timestamp is too recent, print summary with error message and
          * exit. */
       } else if (requestedDate.tooRecent) {
-        this.writeSummaryTimestampTooRecent(out, rb, requestedDate.asString);
+        this.writeSummaryTimestampTooRecent(out, rb);
         this.writeFooter(out, rb, null, null);
 
         /* If we were unable to connect to the database,
@@ -442,11 +442,10 @@ public class ExoneraTorServlet extends HttpServlet {
   }
 
   private void writeSummaryTimestampTooRecent(PrintWriter out,
-      ResourceBundle rb, String timestampStr) throws IOException {
+      ResourceBundle rb) throws IOException {
     this.writeSummary(out, rb.getString("summary.heading"), "panel-danger",
         rb.getString("summary.invalidparams.timestamptoorecent.title"),
-        null, rb.getString("summary.invalidparams.timestamptoorecent.body"),
-        timestampStr);
+        null, rb.getString("summary.invalidparams.timestamptoorecent.body"));
   }
 
   private void writeSummaryNoDataForThisInterval(PrintWriter out,

src/main/resources/ExoneraTor.properties

@@ -20,7 +20,7 @@ summary.invalidparams.invalidip.body=Sorry, %s is not a valid IP address. The ex
 summary.invalidparams.invalidtimestamp.title=Invalid date parameter
 summary.invalidparams.invalidtimestamp.body=Sorry, %s is not a valid date. The expected date format is %s.
 summary.invalidparams.timestamptoorecent.title=Date parameter too recent
-summary.invalidparams.timestamptoorecent.body=Sorry, %s is too recent. The database may not yet contain enough data to correctly answer this request.
+summary.invalidparams.timestamptoorecent.body=The database may not yet contain enough data to correctly answer this request. The latest accepted data is the day before yesterday. Please repeat your search on another day.
 summary.serverproblem.nodata.title=Server problem
 summary.serverproblem.nodata.body.text=The database does not contain any data for the requested date. Please try again later. If this problem persists, please %s!
 summary.serverproblem.nodata.body.link=let us know