Misc Fixes (#1879)

Co-authored-by: Cuihtlauac ALVARADO <[email protected]>

data/tutorials/getting-started/1_02_your_first_ocaml_program.md

@@ -33,7 +33,7 @@ How to work on several OCaml projects simultaneously is out of the scope of this
 
 When you installed OCaml, a global opam switch was created automatically. This tutorial can be completed while working inside this global opam switch.
 
-When you work on several OCaml projects simultaneously, you should create more opam switches. For instructions on how to do that, see ["Introduction to opam Switches"](/docs/opam-switch-introduction).
+When you work on several OCaml projects simultaneously, you should create more opam switches. For instructions on how to do that, see [Introduction to opam Switches](/docs/opam-switch-introduction).
 
 ## Compiling OCaml Programs
 
@@ -112,7 +112,7 @@ However, it is common practice to single out a value that triggers all the side
 
 ## Modules and the Standard Library, Cont'd
 
-Let's summarise what was said about modules in the ["Tour of OCaml"](/docs/tour-of-ocaml):
+Let's summarise what was said about modules in the [Tour of OCaml](/docs/tour-of-ocaml):
 - A module is a collection of named values.
 - Identical names from distinct modules don't clash.
 - The standard library is collection of several modules.
@@ -272,13 +272,13 @@ Here is the meaning of the two new lines:
 
 The files `lib/hello.ml` and `lib/hello.mli` need to be edited, too:
 
-##### `lib/hello.mli`
+**`lib/hello.mli`**
 ```ocaml
 val string_of_string_list : string list -> string
 val world : string list
-
 ```
-##### `lib/hello.ml`
+
+**`lib/hello.ml`**
 ```ocaml
 let string_list_pp = [%show: string list]