fix typo

Author: eve-mem

volatility3/cli/volshell/generic.py

@@ -547,7 +547,7 @@ def _display_simple_type(
         ],
         include_value: bool = True,
     ) -> str:
-        # build the display_type_string based on the aviable information
+        # build the display_type_string based on the available information
 
         if hasattr(volobject.vol, "size"):
             # the most common type to display, this shows their full size, e.g.: