PKCS #11 Module Specs
manufacturerid override the default manufactureid value for the module returned in the ck_info, ck_slot_info, and ck_token_info structures with an internationalize string (utf8).
... cryptotokendescription override the default label value for the internal crypto token returned in the ck_token_info structure with an internationalize string (utf8).
... dbtokendescription override the default label value for the internal db token returned in the ck_token_info structure with an internationalize string (utf8).
...And 2 more matches

FC_GetTokenInfo
syntax ck_rv fc_gettokeninfo(ck_slot_id slotid, ck_token_info_ptr pinfo); parameters fc_gettokeninfo has two parameters: slotid the id of the token's slot pinfo points to a ck_token_info structure description fc_gettokeninfo returns information about the token in the specified slot.
... on return, the ck_token_info structure that pinfo points to has the following information: label: the label of the token, assigned during token initialization, padded with spaces to 32 bytes and not null-terminated.
... examples note the use of the %.32s format string to print the label and manufacturerid members of the ck_token_info structure.

NSS PKCS11 Functions
tokendescription the label value for this token returned in the ck_token_info structure with an internationalize string (utf8).

PKCS11 Implement
the nss expects ck_token_info.label to contain the name of the token.