fix typos

Author: weltling

UPGRADING

@@ -189,16 +189,16 @@ PHP 7.1 UPGRADE NOTES
 
     As a result of UTF-8 support in the streams, PHP scripts are not limited
     to ASCII or ANSI filenames anymore. This is supported out of the box on
-    CLI. For for other SAPI, the documentation for the corresponding server
+    CLI. For other SAPI, the documentation for the corresponding server
     is useful.
 
     Long paths support is transparent. Paths longer than 260 bytes get
     automatically prefixed with \\?\. The max path length is limited to
     2048 bytes. Be aware, that the path segment limit (basename length) still
     persists.
 
-    The recommended way to file paths, I/O and other related topics is by
-    utilizing UTF-8.
+    The recommended way to handle file paths, I/O and other related topics is
+    by utilizing UTF-8.
 
   . Support for ftok()