Update install.txt

Author: pichillilorenzo

changelog/install.txt

@@ -36,8 +36,6 @@ You can ENABLE or DISABLE completions! Just go to Preferences -> Package Setting
 
 -- Supported only by Sublime Text 3 --
 
-key-map of this feature disabled by default!
-
 You can check the description of function/property/method by selecting the word (or, in case, it will take the first word near the blinking cursor) you want find. 
 "right-click" on your mouse and click on "Find JavaScript Description".
 It will show a popup with the list of possible descriptions or, in some case, the direct description. 
@@ -207,4 +205,4 @@ Just put the cursor between a string with multiple lines and this option will ap
 It will split the string and for each line will be concatenated to a variable named "str".
 This option works also on multiple selections at once.
 
-MIT License
+MIT License