diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 87ec7b1..eb5cb6b 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -30,6 +30,6 @@ sphinx:
 # Optional but recommended, declare the Python requirements required
 # to build your documentation
 # See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
- python:
-   install:
-     - requirements: docs/requirements.txt
\ No newline at end of file
+python:
+  install:
+    - requirements: docs/requirements.txt
diff --git a/README.md b/README.md
index 71932f6..6235c6d 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,9 @@
 
 ## Documentation
 
-[Documentation](https://sermetpekin.github.io/evdspy-repo/)
+
+[Documentation](https://evdspy-repo.readthedocs.io/en/latest/)
+
 
 ## evdspy
 
@@ -25,6 +27,21 @@ api_key will be saved to a file if it was given to get_series function. It will
 later calls if it was saved before. 
 Alternatively save function can be used.  
 
+#### save("MyApiKey"):
+
+    Program will store your api key in your environment in a safe folder
+    called APIKEY_FOLDER
+    and only use it when you run a new request which was not requested 
+    recently depending on your cache preference.
+
+.
+```python
+from evdspy import save
+save("MyApiKey")
+
+```
+
+      
 ```python
 from evdspy import get_series, default_start_date_fnc, default_end_date_fnc
 
@@ -466,7 +483,7 @@ or modify this file or delete and create a new on from menu or console using com
     create_options()
 
 
-![image](https://user-images.githubusercontent.com/96650846/201921534-22ef45f0-85cf-4982-b160-2fe37a21d491.png)
+
 
 ## OPTION 2
 _________________________________    
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 483a4e9..3b7bf27 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1 +1,3 @@
+evdspy
 sphinx_rtd_theme
+sphinx_book_theme
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 09221fa..03ab272 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -35,8 +35,11 @@
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
-html_theme = 'sphinx_rtd_theme'
-html_static_path = ['_static']
+
+# html_theme = 'sphinx_rtd_theme'
+html_theme = 'sphinx_book_theme'
+
+html_static_path = ['static']
 # extensions = ['myst_parser']
 source_suffix = {
     '.rst': 'restructuredtext',
diff --git a/evdspy/EVDSlocal/index_requests/user_requests.py b/evdspy/EVDSlocal/index_requests/user_requests.py
index 2a82d76..a9fedf3 100644
--- a/evdspy/EVDSlocal/index_requests/user_requests.py
+++ b/evdspy/EVDSlocal/index_requests/user_requests.py
@@ -221,11 +221,8 @@ def domain(self) -> str:
     def alias(self):
         return "series="
 
-
+# ....................................................................... UrlDataGroup
 class UrlDataGroup(UrlSeries):
-    @property
-    def domain(self) -> str:
-        return "https://evds2.tcmb.gov.tr/service/evds"
 
     @property
     def alias(self):