Update doc/efun/ aus Driversourcen.

Manpages der efuns aktualisiert, neue Manpages hinzugefuegt.

Change-Id: I7cc91684269ff56d1aef47d5c5e7c87f7fd531dc
diff --git a/doc/efun/dump_driver_info b/doc/efun/dump_driver_info
index 111f8ad..fb765ba 100644
--- a/doc/efun/dump_driver_info
+++ b/doc/efun/dump_driver_info
@@ -5,13 +5,13 @@
         int dump_driver_info(int what, string filename)
 
 DESCRIPTION
-        Dumps information specificied by <what> into a file
+        Dumps information specified by <what> into a file
         specified by <filename>. If <filename> is omitted,
         a default file name is used. The function calls
         master->valid_write() to check that it can write
         the files. The file in question is always written anew
 
-        On success the efun returns 1, or 0 if an error occured.
+        On success the efun returns 1, or 0 if an error occurred.
 
         <what> == DDI_OBJECTS:
           Dumps information about all live objects.
@@ -32,7 +32,7 @@
             - the swap status:
                nothing if not swapped,
                'PROG SWAPPED' if only the program is swapped
-               'VAR SWAPPED' if only the variabes are swapped
+               'VAR SWAPPED' if only the variables are swapped
                'SWAPPED' if both program and variables are swapped
             - the time the object was created