diff --git a/src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageReader.java b/src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageReader.java
index add90538ef1..e2b3b3537ac 100644
--- a/src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageReader.java
+++ b/src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageReader.java
@@ -1824,7 +1824,7 @@ public class JPEGImageReader extends ImageReader {
         Thread currThread = Thread.currentThread();
         if (theThread == null || theThread != currThread) {
             throw new IllegalStateException("Attempt to clear thread lock " +
-                                            " form wrong thread." +
+                                            " from wrong thread." +
                                             " Locked thread: " + theThread +
                                             "; current thread: " + currThread);
         }
diff --git a/src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageWriter.java b/src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageWriter.java
index 58f2cd023c5..0d41c4d2961 100644
--- a/src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageWriter.java
+++ b/src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageWriter.java
@@ -1821,7 +1821,7 @@ public class JPEGImageWriter extends ImageWriter {
     private synchronized void clearThreadLock() {
         Thread currThread = Thread.currentThread();
         if (theThread == null || theThread != currThread) {
-            throw new IllegalStateException("Attempt to clear thread lock form wrong thread. " +
+            throw new IllegalStateException("Attempt to clear thread lock from wrong thread. " +
                                             "Locked thread: " + theThread +
                                             "; current thread: " + currThread);
         }