diff --git a/client.conf.sample b/client.conf.sample
index abed4ff..9eae16e 100644
--- a/client.conf.sample
+++ b/client.conf.sample
@@ -1,25 +1,24 @@
 ; "transport" specifies Face's default transport connection.
-; The value is a unix or tcp4 scheme Face URI.
+; The value can be a "unix:" or "tcp4:" Face URI.
 ;
 ; For example:
-;
 ;   unix:///var/run/nfd.sock
 ;   tcp://192.0.2.1
 ;   tcp4://example.com:6363
-
+;
 transport=unix:///var/run/nfd.sock
 
 ; "pib" determines which Public Info Base (PIB) should used by default in applications.
-; If "pib" is not specified, the default PIB will be used.
-; Note that default PIB could be different on different system.
+; If "pib" is not specified, a platform-dependent default will be used.
 ; If "pib" is specified, it may have a value of:
 ;   pib-sqlite3
-; pib=pib-sqlite3
+;
+;pib=pib-sqlite3
 
 ; "tpm" determines which Trusted Platform Module (TPM) should used by default in applications.
-; If "tpm" is not specified, the default TPM will be used.
-; Note that default TPM could be different on different system.
+; If "tpm" is not specified, a platform-dependent default will be used.
 ; If "tpm" is specified, it may have a value of:
-;   tpm-osxkeychain (default in OS X)
-;   tpm-file (default in operating systems other than OS X)
-; tpm=tpm-file
\ No newline at end of file
+;   tpm-osxkeychain (default on macOS)
+;   tpm-file (default in operating systems other than macOS)
+;
+;tpm=tpm-file