langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/javac.properties

@@ -388,12 +388,12 @@
 
 javac.version={0} {1}
 javac.fullVersion={0} full version "{1}"
 
 javac.err.release.bootclasspath.conflict=\
-    option {0} cannot be used together with -release
+    option {0} cannot be used together with --release
 
 javac.err.unsupported.release.version=\
     release version {0} not supported
 
 javac.err.release.not.standard.file.manager=\
-    -release option specified, but the provided JavaFileManager is not a StandardJavaFileManager.
+    --release option specified, but the provided JavaFileManager is not a StandardJavaFileManager.