all: fix misuses of "a" vs "an"

Fixes the misuse of "a" vs "an", according to English grammatical
expectations and using https://www.a-or-an.com/

Change-Id: I53ac724070e3ff3d33c304483fe72c023c7cda47
Reviewed-on: https://go-review.googlesource.com/c/go/+/480536
Run-TryBot: shuang cui <imcusg@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/debug/pe/file.go b/src/debug/pe/file.go
index f8c922d42e..de4bb9b736 100644
--- a/src/debug/pe/file.go
+++ b/src/debug/pe/file.go
@@ -464,7 +464,7 @@ func (e *FormatError) Error() string {
 	return "unknown error"
 }
 
-// readOptionalHeader accepts a io.ReadSeeker pointing to optional header in the PE file
+// readOptionalHeader accepts an io.ReadSeeker pointing to optional header in the PE file
 // and its size as seen in the file header.
 // It parses the given size of bytes and returns optional header. It infers whether the
 // bytes being parsed refer to 32 bit or 64 bit version of optional header.
@@ -612,7 +612,7 @@ func readOptionalHeader(r io.ReadSeeker, sz uint16) (any, error) {
 	}
 }
 
-// readDataDirectories accepts a io.ReadSeeker pointing to data directories in the PE file,
+// readDataDirectories accepts an io.ReadSeeker pointing to data directories in the PE file,
 // its size and number of data directories as seen in optional header.
 // It parses the given size of bytes and returns given number of data directories.
 func readDataDirectories(r io.ReadSeeker, sz uint16, n uint32) ([]DataDirectory, error) {