small comment fix

Author: agirbal

src/main/com/mongodb/Bytes.java

@@ -70,7 +70,7 @@ public class Bytes extends BSON {
      */
     public static final int QUERYOPTION_TAILABLE = 1 << 1;
     /**
-     * Allow query of replica slave. Normally these return an error except for namespace "local".
+     * When turned on, read queries will be directed to slave servers instead of the primary server.
      */
     public static final int QUERYOPTION_SLAVEOK = 1 << 2;
     /**

src/main/org/bson/types/Binary.java

@@ -21,6 +21,8 @@
 
 package org.bson.types;
 
+import org.bson.BSON;
+
 /**
    generic binary holder
  */
@@ -31,7 +33,7 @@ public class Binary {
      * @param data raw data
      */
     public Binary( byte[] data ){
-        this((byte)0, data);
+        this(BSON.B_GENERAL, data);
     }
 
     /**