add proofread changes

fsfe.org/about/timeline/timeline.en.xml

@@ -202,7 +202,7 @@
       <url>https://fsfe.org/activities/upcyclingandroid/</url>
       <body>
 	 The FSFE started this initiative to help users install Free 
-	 Software operating systems on their phones.  It organized 
+	 Software operating systems on their phones. It organized 
 	 workshops across Europe and developed policy recommendations to 
 	 extend hardware lifetimes and reduce electronic waste.
       </body>