[NFC][UpdateTestChecks] Fix typos in comments

Author: Jinsong Ji

llvm/utils/UpdateTestChecks/asm.py

@@ -229,11 +229,11 @@ def scrub_asm_powerpc(asm, args):
   asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
   # Expand the tabs used for indentation.
   asm = string.expandtabs(asm, 2)
-  # Stripe unimportant comments, but leave the token '#' in place.
+  # Strip unimportant comments, but leave the token '#' in place.
   asm = common.SCRUB_LOOP_COMMENT_RE.sub(r'#', asm)
   # Strip trailing whitespace.
   asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
-  # Stripe the tailing token '#', except the line only has token '#'.
+  # Strip the tailing token '#', except the line only has token '#'.
   asm = common.SCRUB_TAILING_COMMENT_TOKEN_RE.sub(r'', asm)
   return asm