15. The computing system of claim 14 , wherein the personalized value of the parameter is a first personalized value selected based on a first user identity of a first user, and wherein the storage machine further holds instructions executable by the logic machine to: identify a plurality of user identities of users interacting with the computing system; in response to exceeding a duration, select a second personalized value of the parameter based on a second user identity of a second user of the plurality of users, the second personalized value differing from the first personalized value; and present via the display the parameterized voice-command suggestion with the second personalized value of the parameter.
14. A computing system, comprising: a logic machine; and a storage machine holding instructions executable by the logic machine to: identify a user identity of a user interacting with the computing system; select a parameterized voice command from a set of voice commands based on the user identity, the parameterized voice command including a root operation and a parameter that modifies the root operation; select a first personalized value of the parameter based on the user identity; identify a parameterized voice-command suggestion corresponding to the selected parameterized voice command; present via a display a graphical user interface including the parameterized voice-command suggestion with the first personalized value of the parameter; in response to exceeding a duration, select a second personalized value of the parameter based on the user identity, the second personalized value differing from the first personalized value; and present via the display the parameterized voice-command suggestion with the second personalized value of the parameter.