fix typo

Author: gcmoreira

volatility3/framework/symbols/linux/__init__.py

@@ -201,7 +201,7 @@ def path_for_file(cls, context, task, filp) -> str:
             str: A file (or sock pipe) pathname relative to the task's root directory.
         """
 
-        # Memory smear protection: Check that both the file and dentry pointers are valids.
+        # Memory smear protection: Check that both the file and dentry pointers are valid.
         try:
             dentry = filp.get_dentry()
             dentry.is_root()