diff --git a/src/java.base/share/classes/java/lang/foreign/MemorySegment.java b/src/java.base/share/classes/java/lang/foreign/MemorySegment.java
index 2b931a7d2e0..78098e39a17 100644
--- a/src/java.base/share/classes/java/lang/foreign/MemorySegment.java
+++ b/src/java.base/share/classes/java/lang/foreign/MemorySegment.java
@@ -1354,6 +1354,7 @@ public sealed interface MemorySegment permits AbstractMemorySegmentImpl {
      * @throws WrongThreadException if this method is called from a thread {@code T},
      *         such that {@code isAccessibleBy(T) == false}
      * @throws IllegalArgumentException if {@code byteLength < 0}
+     * @since 27
      */
     String getString(long offset, Charset charset, long byteLength);
 
@@ -2669,6 +2670,7 @@ public sealed interface MemorySegment permits AbstractMemorySegmentImpl {
      * @throws IndexOutOfBoundsException if {@code dstOffset > dstSegment.byteSize() - B} where {@code B} is the size,
      *         in bytes, of the substring of {@code src} encoded using the given charset
      * @return the number of copied bytes.
+     * @since 27
      */
     @ForceInline
     static long copy(String src, Charset dstEncoding, int srcIndex, MemorySegment dst, long dstOffset, int numChars) {
diff --git a/src/java.base/share/classes/java/lang/foreign/SegmentAllocator.java b/src/java.base/share/classes/java/lang/foreign/SegmentAllocator.java
index 5b213af544f..03d92ec24ef 100644
--- a/src/java.base/share/classes/java/lang/foreign/SegmentAllocator.java
+++ b/src/java.base/share/classes/java/lang/foreign/SegmentAllocator.java
@@ -183,6 +183,7 @@ public interface SegmentAllocator {
      *           {@code this.allocate(B)}, where {@code B} is the size, in bytes, of
      *           the string encoded using the provided charset
      *           (e.g. {@code str.getBytes(charset).length});
+     * @since 27
      */
     @ForceInline
     default MemorySegment allocateFrom(String str, Charset charset, int srcIndex, int numChars) {