man/1/agpg: reword

man/1/agpg.md

@@ -19,7 +19,7 @@ individually. While encrypting, files are also compressed with BZip2 using a
 compression level of 9. Cryptographic operations use `gpg` with the key
 associated with the current local user account, not an email. Files' metadata
 are not checked: a file is considered to be encrypted if its base name ends
-with ".gpg". File names are obfuscated when encrypted, but restored when
+with ".gpg". Filenames are obfuscated when encrypting, and restored when
 decrypting.
 
 # OPTIONS