diff --git a/router/java/src/net/i2p/router/Blocklist.java b/router/java/src/net/i2p/router/Blocklist.java
index d8802aea8..bdcbb231b 100644
--- a/router/java/src/net/i2p/router/Blocklist.java
+++ b/router/java/src/net/i2p/router/Blocklist.java
@@ -117,6 +117,7 @@ public class Blocklist {
     private static final String ID_LOCAL = "local";
     private static final String ID_COUNTRY = "country";
     private static final String ID_USER = "user";
+    public static final String ID_SYBIL = "sybil";
 
 
     /**
diff --git a/router/java/src/net/i2p/router/sybil/Analysis.java b/router/java/src/net/i2p/router/sybil/Analysis.java
index 40ed97389..bbcda06aa 100644
--- a/router/java/src/net/i2p/router/sybil/Analysis.java
+++ b/router/java/src/net/i2p/router/sybil/Analysis.java
@@ -499,6 +499,7 @@ public class Analysis extends JobImpl implements RouterApp {
         }
 
         double avg = total / (sz * sz / 2d);
+        String other = _context.getBooleanProperty(PROP_NONFF) ? "router" : "floodfill";
         for (Pair p : pairs) {
             double distance = biLog2(p.dist);
             double point = MIN_CLOSE - distance;
@@ -507,10 +508,10 @@ public class Analysis extends JobImpl implements RouterApp {
             point *= PAIR_DISTANCE_FACTOR;
             String b2 = p.r2.getHash().toBase64();
             addPoints(points, p.r1.getHash(), point, "Very close (" + fmt.format(distance) +
-                          ") to other floodfill <a href=\"netdb?r=" + b2 + "\">" + b2 + "</a>");
+                          ") to other " + other + " <a href=\"netdb?r=" + b2 + "\">" + b2 + "</a>");
             String b1 = p.r1.getHash().toBase64();
             addPoints(points, p.r2.getHash(), point, "Very close (" + fmt.format(distance) +
-                          ") to other floodfill <a href=\"netdb?r=" + b1 + "\">" + b1 + "</a>");
+                          ") to other " + other + " <a href=\"netdb?r=" + b1 + "\">" + b1 + "</a>");
         }
         return avg;
     }
diff --git a/router/java/src/net/i2p/router/sybil/PersistSybil.java b/router/java/src/net/i2p/router/sybil/PersistSybil.java
index e864621c9..0c3876735 100644
--- a/router/java/src/net/i2p/router/sybil/PersistSybil.java
+++ b/router/java/src/net/i2p/router/sybil/PersistSybil.java
@@ -26,6 +26,9 @@ import net.i2p.data.Base64;
 import net.i2p.data.DataFormatException;
 import net.i2p.data.DataHelper;
 import net.i2p.data.Hash;
+import net.i2p.router.Blocklist;
+import net.i2p.update.UpdateManager;
+import net.i2p.update.UpdateType;
 import net.i2p.util.Log;
 import net.i2p.util.FileSuffixFilter;
 import net.i2p.util.SecureDirectory;
@@ -241,7 +244,10 @@ public class PersistSybil {
     Map<String, Long> readBlocklist() {
         File f = new File(_context.getConfigDir(), SDIR);
         f = new File(f, BLOCKLIST_SYBIL_FILE);
-        return readBlocklist(f);
+        Map<String, Long> rv = readBlocklist(f);
+        if (rv != null)
+            notifyVersion(f.lastModified());
+        return rv;
     }
 
     /**
@@ -319,6 +325,7 @@ public class PersistSybil {
                 out.write(e.getValue().toString());
                 out.write('\n');
             }
+            notifyVersion(_context.clock().now());
         } catch (IOException ioe) {
             if (_log.shouldWarn())
                 _log.warn("Error writing the blocklist file", ioe);
@@ -327,6 +334,18 @@ public class PersistSybil {
         }
     }
 
+    /**
+     *  @since 0.9.50
+     */
+    private void notifyVersion(long v) {
+        ClientAppManager cmgr = _context.clientAppManager();
+        if (cmgr != null) {
+            UpdateManager umgr = (UpdateManager) cmgr.getRegisteredApp(UpdateManager.APP_NAME);
+            if (umgr != null)
+                umgr.notifyInstalled(UpdateType.BLOCKLIST, Blocklist.ID_SYBIL, Long.toString(v));
+        }
+    }
+
 /****
     public static void main(String[] args) {
         I2PAppContext ctx = I2PAppContext.getGlobalContext();