review: fix up comments

Author: inbelic

llvm/docs/CommandGuide/llvm-objcopy.rst

@@ -88,9 +88,6 @@ multiple file formats.
  operations will still be performed. No operations are performed on the sections
  prior to dumping them.
 
- For MachO objects, ``<section>`` must be formatted as
- ``<segment name>,<section name>``.
-
 .. option:: --globalize-symbol <symbol>
 
  Mark any defined symbols named ``<symbol>`` as global symbols in the output.

llvm/test/tools/llvm-objcopy/DXContainer/extract-section-basic.test

@@ -1,5 +1,5 @@
 ## Tests that a separate DXContainer is created for the RTS0 (root signature)
-## part, specified with --extract-section specified
+## part, when--extract-section is specified.
 
 # RUN: yaml2obj %s -o %t
 # RUN: llvm-objcopy %t --extract-section=RTS0=%t.rts0.out

llvm/test/tools/llvm-objcopy/DXContainer/extract-section-errs.test

@@ -1,7 +1,7 @@
-## Check that llvm-objcopy reports a suitable error when it
-## can't find the section to extract
+## Check that llvm-objcopy reports a suitable error when it can't find the
+## section to extract.
 
-## We can't extract a part that doesn't exist
+## We can't extract a part that doesn't exist.
 # RUN: yaml2obj %s --docnum=1 -o %t1
 # RUN: not llvm-objcopy %t1 --extract-section=UNKNOWN=%t.unknown.out 2>&1 | FileCheck %s -DFILE=%t1 --check-prefix=ERROR1
 

llvm/test/tools/llvm-objcopy/DXContainer/extract-section-headers.test

@@ -1,5 +1,5 @@
 ## Tests that a separate DXContainer is created with only the specified section
-## for each --extract-section specified
+## for each --extract-section specified.
 
 # RUN: yaml2obj %s -o %t
 # RUN: llvm-objcopy %t --extract-section=FKE1=%t.fke1.out --extract-section=FKE4=%t.fke4.out