diff --git a/src/java.base/share/classes/java/lang/CharSequence.java b/src/java.base/share/classes/java/lang/CharSequence.java
index f9850d68754..f058bd4b315 100644
--- a/src/java.base/share/classes/java/lang/CharSequence.java
+++ b/src/java.base/share/classes/java/lang/CharSequence.java
@@ -255,7 +255,7 @@ public interface CharSequence {
 
     /**
      * {@return the number of Unicode code points in this character sequence}
-     * Unpaired surrogates count as one code point each.
+     * Isolated surrogate code units count as one code point each.
      *
      * @since 27
      */
diff --git a/src/java.base/share/classes/java/lang/Character.java b/src/java.base/share/classes/java/lang/Character.java
index 1a45022a984..2a4a74d972a 100644
--- a/src/java.base/share/classes/java/lang/Character.java
+++ b/src/java.base/share/classes/java/lang/Character.java
@@ -9979,7 +9979,7 @@ class Character implements java.io.Serializable, Comparable<Character>, Constabl
 
     /**
      * {@return the number of Unicode code points in the {@code char} array}
-     * Unpaired surrogates count as one code point each.
+     * Isolated surrogate code units count as one code point each.
      *
      * @param seq the {@code char} array
      * @throws NullPointerException if {@code seq} is null
diff --git a/src/java.base/share/classes/java/lang/String.java b/src/java.base/share/classes/java/lang/String.java
index 8885cd2b831..6c937073cdf 100644
--- a/src/java.base/share/classes/java/lang/String.java
+++ b/src/java.base/share/classes/java/lang/String.java
@@ -1716,7 +1716,7 @@ public final class String
 
     /**
      * {@return the number of Unicode code points in this String}
-     * Unpaired surrogates count as one code point each.
+     * Isolated surrogate code units count as one code point each.
      *
      * @since 27
      */
@@ -1730,7 +1730,7 @@ public final class String
     /**
      * Returns the index within this {@code String} that is
      * offset from the given {@code index} by
-     * {@code codePointOffset} code points. Unpaired surrogates
+     * {@code codePointOffset} code points. Isolated surrogate code units
      * within the text range given by {@code index} and
      * {@code codePointOffset} count as one code point each.
      *