build: disable osxkeychain TPM backend by default
Change-Id: I3e121a7cee0451d20f83aa73742077bc621652be
diff --git a/client.conf.sample b/client.conf.sample
index 453a8ed..ea24cfe 100644
--- a/client.conf.sample
+++ b/client.conf.sample
@@ -13,16 +13,14 @@
;transport=unix:///var/run/nfd/nfd.sock
; "pib" determines which Public Information Base (PIB) should used by default in applications.
-; If "pib" is not specified, a platform-dependent default will be used.
-; If "pib" is specified, it may have a value of:
-; - "pib-sqlite3"
+; Currently, the only supported value for "pib" is:
+; - "pib-sqlite3" (default if not specified)
;
;pib=pib-sqlite3
; "tpm" determines which Trusted Platform Module (TPM) should used by default in applications.
-; 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 on macOS)
-; - "tpm-file" (default on all other platforms)
+; The supported values for "tpm" are:
+; - "tpm-file" (default if not specified)
+; - "tpm-osxkeychain"
;
;tpm=tpm-file