diff --git a/icu4j/src/com/ibm/icu/dev/test/util/TestData_en.jpp b/icu4j/src/com/ibm/icu/dev/test/util/TestData_en.jpp
index be174f09a5..812f98390e 100644
--- a/icu4j/src/com/ibm/icu/dev/test/util/TestData_en.jpp
+++ b/icu4j/src/com/ibm/icu/dev/test/util/TestData_en.jpp
@@ -8,7 +8,7 @@ import java.util.ListResourceBundle;
 import com.ibm.icu.impl.ICUListResourceBundle;
 /*
  * Eclipse expects the java files in a package-like directory structure to have a package declaration at the top of the file.
- * To fool Eclipse this file has an "jpp" extention. The ant build script copies this file to the default package and renames it
+ * To fool Eclipse this file has an "jpp" extension. The ant build script copies this file to the default package and renames it
  * before building.
  */ 
 /**
diff --git a/icu4j/src/com/ibm/icu/dev/test/util/TestDefaultPackageLoading.jpp b/icu4j/src/com/ibm/icu/dev/test/util/TestDefaultPackageLoading.jpp
index 731bc39b93..3312dd3e2a 100644
--- a/icu4j/src/com/ibm/icu/dev/test/util/TestDefaultPackageLoading.jpp
+++ b/icu4j/src/com/ibm/icu/dev/test/util/TestDefaultPackageLoading.jpp
@@ -10,7 +10,7 @@ import com.ibm.icu.dev.test.TestFmwk;
 import com.ibm.icu.util.UResourceBundle;
 /*
  * Eclipse expects the java files in a package-like directory structure to have a package declaration at the top of the file.
- * To fool Eclipse this file has an "jpp" extention. The ant build script copies this file to the default package and renames it
+ * To fool Eclipse this file has an "jpp" extension. The ant build script copies this file to the default package and renames it
  * before building.
  */ 
 /**