I’d like to suggest using a common icon to preface each Tutorial rather than using ‘[HowTo]’ – having ‘How To’ perhaps in the [html] title of the link would then be sufficient, if still desired.
There is reasoning behind using an icon:
Extra space is made available for the Tutorial title. However minor, every amount of space reserved for the title has the effect of increasing readability.
As evidenced in forums globally, usage of “HowTo” is frequently misunderstood, especially by non-fluent-English-speakers who seem to interpret the term as a preface to a question.
This quickly becomes an annoyance when results of a web search include, for example: “[HowTo] The Topic I’m Looking For”; and the opened page content is basically “How do I do this thing??? Pls Halp!!!”.
A carefully selected icon ideally will be instantly recognisable as a Tutorial or similar set of instructions; as opposed to being a standard forum post. Also, being human, we tend to react more favourably to visual stimulus; from a psychological perspective.