 [GR] Fix a typo in the `libraries/guardian` lesson translation (#852)
 [GR] Fix a typo in the `libraries/guardian` lesson translation (#852)


doomspork/elixir_school,doomspork/elixir-school,yuriibodarev/elixir-school,ElixirVietnam/elixir-school,psantos10/elixir-school,huydx/elixir-school,yuriibodarev/elixir-school,huydx/elixir-school,doomspork/elixir_school,psantos10/elixir-school,yuriibodarev/elixir-school,erickgnavar/elixir-school,ElixirVietnam/elixir-school,nscyclone/elixir-school,nscyclone/elixir-school,erickgnavar/elixir-school,ElixirVietnam/elixir-school,doomspork/elixir-school,huydx/elixir-school,nscyclone/elixir-school,nscyclone/elixir-school,doomspork/elixir-school,erickgnavar/elixir-school,doomspork/elixir_school,psantos10/elixir-school