diff --git a/ch05/src/main/java/coprocessor/SequentialIdGeneratorObserver.java b/ch05/src/main/java/coprocessor/SequentialIdGeneratorObserver.java
index 40c1487..5b3b4cc 100644
--- a/ch05/src/main/java/coprocessor/SequentialIdGeneratorObserver.java
+++ b/ch05/src/main/java/coprocessor/SequentialIdGeneratorObserver.java
@@ -34,16 +34,16 @@ public class SequentialIdGeneratorObserver extends BaseRegionObserver {
   public void start(CoprocessorEnvironment e) throws IOException {
     if (e instanceof RegionCoprocessorEnvironment) {
       RegionCoprocessorEnvironment env = (RegionCoprocessorEnvironment) e;
-      Configuration conf = env.getConfiguration(); // co-SequentialIdGeneratorObserver-1-Conf Get environment and configuration instances.
+      Configuration conf = env.getConfiguration(); // co SequentialIdGeneratorObserver-1-Conf Get environment and configuration instances.
       this.regionName = env.getRegionInfo().getEncodedName();
       String family = conf.get("com.larsgeorge.copro.seqidgen.family", "cf1");
       this.family = Bytes.toBytes(family);
-      String qualifier = conf.get("com.larsgeorge.copro.seqidgen.qualifier", // co-SequentialIdGeneratorObserver-2-Settings Retrieve the settings passed into the configuration.
+      String qualifier = conf.get("com.larsgeorge.copro.seqidgen.qualifier", // co SequentialIdGeneratorObserver-2-Settings Retrieve the settings passed into the configuration.
         "GENID");
       this.qualifier = Bytes.toBytes(qualifier);
       int startId = conf.getInt("com.larsgeorge.copro.seqidgen.startId", 1);
       this.delay = conf.getInt("com.larsgeorge.copro.seqidgen.delay", 100);
-      env.getSharedData().putIfAbsent(KEY_ID, new AtomicInteger(startId)); // co-SequentialIdGeneratorObserver-3-Gen Set up generator if this has not been done yet on this region server.
+      env.getSharedData().putIfAbsent(KEY_ID, new AtomicInteger(startId)); // co SequentialIdGeneratorObserver-3-Gen Set up generator if this has not been done yet on this region server.
     } else {
       LOG.warn("Received wrong context.");
     }
@@ -54,7 +54,7 @@ public void stop(CoprocessorEnvironment e) throws IOException {
     if (e instanceof RegionCoprocessorEnvironment) {
       RegionCoprocessorEnvironment env = (RegionCoprocessorEnvironment) e;
       AtomicInteger id = (AtomicInteger) env.getSharedData().get(KEY_ID);
-      LOG.info("Final ID issued: " + regionName + "-" + id.get()); // co-SequentialIdGeneratorObserver-4-Log Log the final number generated by this coprocessor.
+      LOG.info("Final ID issued: " + regionName + "-" + id.get()); // co SequentialIdGeneratorObserver-4-Log Log the final number generated by this coprocessor.
     } else {
       LOG.warn("Received wrong context.");
     }
@@ -65,11 +65,11 @@ public void prePut(ObserverContext<RegionCoprocessorEnvironment> e, Put put,
     WALEdit edit, Durability durability) throws IOException {
     RegionCoprocessorEnvironment env = e.getEnvironment();
     AtomicInteger id = (AtomicInteger) env.getSharedData().get(KEY_ID);
-    put.addColumn(family, qualifier, Bytes.toBytes(regionName + "-" + // co-SequentialIdGeneratorObserver-5-SetId Set the shared ID for this instance of put.
+    put.addColumn(family, qualifier, Bytes.toBytes(regionName + "-" + // co SequentialIdGeneratorObserver-5-SetId Set the shared ID for this instance of put.
       id.incrementAndGet()));
 
     try {
-      Thread.sleep(rnd.nextInt(delay)); // co-SequentialIdGeneratorObserver-6-Sleep Sleep for 0 to "delay" milliseconds.
+      Thread.sleep(rnd.nextInt(delay)); // co SequentialIdGeneratorObserver-6-Sleep Sleep for 0 to "delay" milliseconds.
     } catch (InterruptedException e1) {
       e1.printStackTrace();
     }