How did you do that?

Unicode tricks. A quick Google search for "small text generator" will point you in the right direction.

Ḩ̸̻̹̝̯̮̖͚͔̙̙̰̞̳̩͎̻̅͛͆̌͑̈͗͐͆̀̇̈͋͜î̴̡̺̬͚̠̻̺̮̤̥̟̜͗͐͋͌̄̈͂̽̒́́̋͜͠͠s̵̻̗̰̒̈̿͌̅͗̽̈́͝ ̶̱̣̗͍̬̲̘̣͍̥̟̦̫̬́̈͗͂̾̍̉͊̌̚ͅą̸̤̤̳̺̹͆̆̍̾̌̿̅̽͌̔̿̒̎̂̉̈́͐̚͝ȑ̷͉̄̏́̔̒́̇̈́̑͆̀͌̎̌̆̕͝r̷̗̮͙̱̹̣̤͚͐͐̕į̷̨̡̡̛̛̹̱̹̹̺̬͔̬͇̎́͑̈͒̈́͌͛̐͂́̈́̚͜͝v̸̡̢̛̼̝̜̞̜͕̫̳̣̰̺̮͈̗̞̦̰̰͇͊̅̏͆̄̊͒͑̂̈́̉͛͋͛͘̕a̴̭̱̒l̵͖̗̳̪̯̣̗͋̋͋̑̎̌̌̓͆͒̑̆͐͊͝͝͝͠ ̶̹̫̪͓͈̘̳̈͜ͅw̵̬̪͖̭̲̪͝ͅạ̴̛̞͙͉̀́́̐͌̅͗͆̃̀͆̒̄̈́́̚ṡ̵̯͕́̓̈́͆̈̈͆̀͆ ̵̮̪̪̹̻̓̊̏̀̂̽̓̈́̄̏̅̊̊̎̂̚͘̚͠f̸͍͎͇̺̪̩̯̾ͅo̴̟̬͙͈̮͔̿̈́̈̑͊̀̽̎̕r̵̛͎̳̻̜̦̺̥̦̞͐͌̽́̔̈͌̂̀͛͌̓̉̔͋̆̏͊͘͝ţ̵̧̢̧̻̻̺͎͙̠͈̩̪̥͇̥̮̿̇̏̍̉̀̉͒͐̌̔̈́́̚̕͠o̶͖̤̜̟̱̖͓͍̖̲̮̮̫͎̜̫͕̖̼̕̕l̴̢̺͍̾̒̄̈͘ḏ̷̛̗͖̝͚͕͕̬̖̱̬̗̳̘̪̠̹͛̋̀̄̇̌͆̒̄̇̀̑͝ͅͅͅ.̴̨̨̢̦̜͕̞̬͍̹̟̩͖̥̗̹͉̼̹̊̎̓̒̏̋͜ ̸̡̼̝̥͔̯̠̤̰̘̙̗͓̫̦͙̎̈́̓͊̑̒̅H̷̡̻̖͍̜̞̥͓̩͈͓̿̓̋͠ͅë̸̹̠̗̼̂̀̋̃̑̓̓̇̚ ̷̧̡̛͈̮̞̙̳͂̍̔̽̑́̋̀̐̈́̾͌̅̎̂̔̿̚͝ͅc̵̥̗̲̬͓͈͕̘̱͖̜̭̖̱̳̏̎̎̀͊̎̾͊̊̑͘͜ȏ̵̲̖̼̘͔͚̰͍̜͔͚͘͝ͅͅm̶̢̝̬̹͉̞̩̗͛̓̅̎͊̌̕͘̚͠ȩ̷̯̦̫̤̲̞͒͒̒́̌̓̒̍̎͠s̴̡̧̢̱͔͈͈̩̖̥̖̻̻̣̗̭̣̞̥̝̤̮̖͛̽̈̌̎̇.̴̝̗͖̗͙̦̱̀͛̃͑̓̀̀͑͊̂̂̿̽̀̐͂́͘͘ ̶̡̢̟̼̻̣̠͓͕̦̲̗̩̹̔͆̒͝ͅ