JavaDoc update

git-svn-id: https://svn.apache.org/repos/asf/incubator/jsecurity/trunk@736235 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/core/src/org/jsecurity/mgt/SessionsSecurityManager.java b/core/src/org/jsecurity/mgt/SessionsSecurityManager.java
index e4676c0..fff3568 100644
--- a/core/src/org/jsecurity/mgt/SessionsSecurityManager.java
+++ b/core/src/org/jsecurity/mgt/SessionsSecurityManager.java
@@ -25,7 +25,6 @@
 import org.jsecurity.session.SessionListener;
 import org.jsecurity.session.SessionListenerRegistrar;
 import org.jsecurity.session.mgt.AbstractSessionManager;
-import org.jsecurity.session.mgt.AbstractValidatingSessionManager;
 import org.jsecurity.session.mgt.DefaultSessionManager;
 import org.jsecurity.session.mgt.SessionManager;
 import org.jsecurity.util.LifecycleUtils;
@@ -149,7 +148,7 @@
         if (this.sessionManager == null) {
             throw new IllegalStateException("SessionManager is null - cannot configure property!");
         }
-        if (!(this.sessionManager instanceof AbstractValidatingSessionManager)) {
+        if (!(requiredType.isInstance(this.sessionManager))) {
             String msg = "Property configuration failed.  The target property is only configurable when the " +
                     "underlying SessionManager instance is a part of the " +
                     "[" + requiredType.getName() + "] class hierarchy.  " +
diff --git a/core/src/org/jsecurity/session/mgt/AbstractSessionManager.java b/core/src/org/jsecurity/session/mgt/AbstractSessionManager.java
index 4bbe953..355d0d2 100644
--- a/core/src/org/jsecurity/session/mgt/AbstractSessionManager.java
+++ b/core/src/org/jsecurity/session/mgt/AbstractSessionManager.java
@@ -56,7 +56,7 @@
 
     /**
      * Returns the system-wide default time in milliseconds that any session may remain idle before expiring. This
-     * value is just a main default for all sessions and may be overridden on a <em>per-session</em> basis by calling
+     * value is the main default for all sessions and may be overridden on a <em>per-session</em> basis by calling
      * {@code Subject.getSession().}{@link Session#setTimeout setTimeout(long)} if so desired.
      * <ul>
      * <li>A negative return value means sessions never expire.</li>
@@ -74,7 +74,7 @@
 
     /**
      * Sets the system-wide default time in milliseconds that any session may remain idle before expiring. This
-     * value is just a main default for all sessions and may be overridden on a <em>per-session</em> basis by calling
+     * value is the main default for all sessions and may be overridden on a <em>per-session</em> basis by calling
      * {@code Subject.getSession().}{@link Session#setTimeout setTimeout(long)} if so desired.
      *
      * <ul>