Update README.md

Typo + clearer language

README.md

@@ -117,7 +117,7 @@ Filecoin is the sister protocol of IPFS. While neither protocol depends on each
 
 #### Why the name IPFS?
 
-The original name was GFS, whose acronym stood for the Global File System and which seemed more accurate than GitFS. But that exact name wass already [taken](http://en.wikipedia.org/wiki/GFS2). So I switched Global for Galactic, in an homage to Licklider's [Intergalactic Computer Network](http://en.wikipedia.org/wiki/Intergalactic_Computer_Network), and because peer-to-peer systems look like galaxies to me. But GFS caused confusion with yet another [GFS](http://en.wikipedia.org/wiki/Google_File_System), even though that one is not even open source.
+The original name was GFS, which stood for the Global File System and seemed more accurate than GitFS. But that exact name was already [taken](http://en.wikipedia.org/wiki/GFS2). So I switched Global for Galactic, in an homage to Licklider's [Intergalactic Computer Network](http://en.wikipedia.org/wiki/Intergalactic_Computer_Network), and because peer-to-peer systems look like galaxies to me. But GFS caused confusion with yet another [GFS](http://en.wikipedia.org/wiki/Google_File_System), even though that one is not even open source.
 
 By popular demand (there were votes and a pronouncement of "GFS is dead. Long live IPFS!" and everything), I switched it to IPFS - InterPlanetary File System, which has several nice properties: