diff --git a/src/java.base/share/classes/java/util/regex/Pattern.java b/src/java.base/share/classes/java/util/regex/Pattern.java
index f78b5c5473f..5428b96c194 100644
--- a/src/java.base/share/classes/java/util/regex/Pattern.java
+++ b/src/java.base/share/classes/java/util/regex/Pattern.java
@@ -357,11 +357,11 @@ import jdk.internal.util.ArraysSupport;
* d m s
* u x U
* on - off
- * (?idmsux-idmsux:X{@code )} |
+ *
|---|
(?idmsuxU-idmsuxU:X{@code )} |
* X, as a non-capturing group with the
* given flags i d
* m s u
- * x on - off |
|---|
+ * x U on - off
* | {@code (?=}X{@code )} |
* X, via zero-width positive lookahead |
|---|
* | {@code (?!}X{@code )} |
|---|