Fixing typos in ActionChains method doc strings.

Signed-off-by: AutomatedTester <[email protected]>

Author: billagee

Diff for: py/selenium/webdriver/common/action_chains.py

@@ -165,7 +165,7 @@ def key_down(self, value, element=None):
         
         Example, pressing ctrl+c::
 
-            ActionsChains(driver).key_down(Keys.CONTROL).send_keys('c').key_up(Keys.CONTROL).perform()
+            ActionChains(driver).key_down(Keys.CONTROL).send_keys('c').key_up(Keys.CONTROL).perform()
 
         """
         if element: self.click(element)
@@ -185,7 +185,7 @@ def key_up(self, value, element=None):
 
         Example, pressing ctrl+c::
 
-            ActionsChains(driver).key_down(Keys.CONTROL).send_keys('c').key_up(Keys.CONTROL).perform()
+            ActionChains(driver).key_down(Keys.CONTROL).send_keys('c').key_up(Keys.CONTROL).perform()
 
         """
         if element: self.click(element)