diff --git a/README.md b/README.md
index 1ef42ca..9fd9dc5 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ usage: strsync-runner.py [-h] [-b BASE_LANG_NAME]
                          [-v [VERIFY_RESULTS [VERIFY_RESULTS ...]]]
                          [-s [INCLUDE_SECONDARY_LANGUAGES [INCLUDE_SECONDARY_LANGUAGES ...]]]
                          [-i [IGNORE_UNVERIFIED_RESULTS [IGNORE_UNVERIFIED_RESULTS ...]]]
-                         [target path]
+                         [target path] [only for keys [only for keys ...]]
 
 Automatically translate and synchronize .strings files from defined base
 language.
@@ -72,6 +72,9 @@ language.
 positional arguments:
   target path           Target localization resource path. (root path of
                         Base.lproj, default=./)
+  only for keys         Some specified keys for exclusive work. All operations
+                        will work for only that keys therefore other keys will
+                        be ignored. Not specified by default. (default=None)
 
 optional arguments:
   -h, --help            show this help message and exit
@@ -122,6 +125,11 @@ Copy all items from Base language without translation.
 $ strsync ./myapp/Resources/Localizations -w
 ```
 
+All operations will work for only keys "exclusive key1" "exclusive key2" "exclusive key3". Other keys will be ignored.
+```
+$ strsync ./myapp/Resources/Localizations "exclusive key1" "exclusive key2" "exclusive key3"
+```
+
 Excluding japanese, spanish, finnish
 ```
 $ strsync ./myapp/Resources/Localizations -x ja es fi
@@ -230,7 +238,7 @@ zh-CN
 ```
 
 
-## Utilities 
+## Utilities
 
 There are some additional scripts to help your workflow with strsync.
 
diff --git a/setup.py b/setup.py
index ebd73b7..6113201 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@
 
 setup(
     name="strsync",
-    version="1.6.1",
+    version="1.7",
     packages=[
         'strsync',
     ],
@@ -36,7 +36,7 @@
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
-        "License :: OSI Approved :: MIT License",
+        "License :: OSI Approved :: GNU General Public License (GPL)",
         "Natural Language :: English",
         "Operating System :: OS Independent",
         "Topic :: Software Development :: Internationalization",
diff --git a/strsync/strsync.py b/strsync/strsync.py
index 9967c8d..36b10cf 100755
--- a/strsync/strsync.py
+++ b/strsync/strsync.py
@@ -344,8 +344,9 @@ def resolve_file_names(target_file_names):
     # Init with Base.lproj
     for dir, subdirs, files in walked:
         if os.path.basename(dir) == __BASE_RESOUCE_DIR__:
-            for _file in resolve_file_names(files):      
-                f = os.path.join(dir, _file)            
+            for _file in resolve_file_names(files):
+                f = os.path.join(dir, _file)
+
 
                 
                 if notexist_or_empty_file(f):