diff --git a/README.md b/README.md
index 6cfe0fd..c624899 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ pip install salesforce-python
 ```
 from salesforce.client import Client
 
-client = Client('CLIENT_KEY', 'CLIENT_SECRET', 'https://na50.salesforce.com/', 'v41.0') # Host must have trailing slash
+client = Client('CLIENT_KEY', 'CLIENT_SECRET', 'v41.0', 'https://na50.salesforce.com/')
 ```
 
 Get authorization url
diff --git a/salesforce/client.py b/salesforce/client.py
index 379c54b..8c66605 100644
--- a/salesforce/client.py
+++ b/salesforce/client.py
@@ -12,6 +12,8 @@ class Client(object):
     def __init__(self, client_id, client_secret, version, instance_url=None):
         self.client_id = client_id
         self.client_secret = client_secret
+        if instance_url[-1] == '/':
+            instance_url = instance_url[:-1]
         self.instance_url = self.BASE_URL.format(instance_url)
         self.rest_url = self.instance_url + '{}/'.format(version)
         if version.startswith('v'):
@@ -96,6 +98,10 @@ def get_sobject(self, sobject):
     @access_token_required
     def create_sobject(self, sobject, data):
         return self._post(self.rest_url + 'sobjects/{}/'.format(sobject), json=data)
+    
+    @access_token_required
+    def edit_sobject(self, sobject, record_id, data):
+        return self._patch(self.rest_url + 'sobjects/{}/{}'.format(sobject, record_id), json=data)
 
     @access_token_required
     def get_sobject_describe(self, sobject):
@@ -151,6 +157,9 @@ def _post(self, url, **kwargs):
 
     def _put(self, url, **kwargs):
         return self._request('PUT', url, **kwargs)
+    
+    def _patch(self, url, **kwargs):
+        return self._request('PATCH', url, **kwargs)
 
     def _delete(self, url, **kwargs):
         return self._request('DELETE', url, **kwargs)