Fix a typo

Author: xhh

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavaClientCodegen.java

@@ -83,7 +83,7 @@ public JavaClientCodegen() {
         cliOptions.add(new CliOption(CodegenConstants.SOURCE_FOLDER, CodegenConstants.SOURCE_FOLDER_DESC));
         cliOptions.add(new CliOption(CodegenConstants.LOCAL_VARIABLE_PREFIX, CodegenConstants.LOCAL_VARIABLE_PREFIX_DESC));
         cliOptions.add(new CliOption(CodegenConstants.SERIALIZABLE_MODEL, CodegenConstants.SERIALIZABLE_MODEL_DESC));
-        cliOptions.add(new CliOption("fullJavaUtil", "whether to use full qualified name for classes under java.util (default to false)"));
+        cliOptions.add(new CliOption("fullJavaUtil", "whether to use fully qualified name for classes under java.util (default to false)"));
 
         supportedLibraries.put("<default>", "HTTP client: Jersey client 1.18. JSON processing: Jackson 2.4.2");
         supportedLibraries.put("jersey2", "HTTP client: Jersey client 2.6");