diff --git a/lucene/core/src/java/org/apache/lucene/util/Constants.java b/lucene/core/src/java/org/apache/lucene/util/Constants.java
index f44a5f4b6f9..3855173d035 100644
--- a/lucene/core/src/java/org/apache/lucene/util/Constants.java
+++ b/lucene/core/src/java/org/apache/lucene/util/Constants.java
@@ -33,10 +33,10 @@ public final class Constants {
   public static final String JVM_VERSION = System.getProperty("java.vm.version");
   public static final String JVM_NAME = System.getProperty("java.vm.name");
 
-  /** The value of <tt>System.getProperty("java.version")<tt>. **/
+  /** The value of <tt>System.getProperty("java.version")</tt>. **/
   public static final String JAVA_VERSION = System.getProperty("java.version");
  
-  /** The value of <tt>System.getProperty("os.name")<tt>. **/
+  /** The value of <tt>System.getProperty("os.name")</tt>. **/
   public static final String OS_NAME = System.getProperty("os.name");
   /** True iff running on Linux. */
   public static final boolean LINUX = OS_NAME.startsWith("Linux");