Fix typos and change http:// to https://

Following the comments of the review.

devdocs/markdown/index.md

@@ -10,7 +10,7 @@ This is documentation for people interested in developing the
 Meson Build system (as opposed to using it).
 
 The documentation for uses can be found at
-[the Meson homepage](http://mesonbuild.com).
+[the Meson homepage](https://mesonbuild.com).
 
 See [here](index.md#Community) for information how to get in contact and
 [here](index.md#Development) for more information on how to contribute to Meson.
@@ -18,7 +18,7 @@ See [here](index.md#Community) for information how to get in contact and
 ## Documentation
 
 This documentation is work in progress. So far the following section are planned/under construction.
-There is an [overview](overview.md) introducing new programmers on the basics of Meson.
+There is an [overview](overview.md) introducing new programmers to the basics of Meson.
 
 Special topics about the development like [docmenting](documentation.md) or [testing](testing.md).
 
@@ -26,7 +26,7 @@ And there is [documentation about this documentation](docdoc.md).
 
 ## General information
 
-Some general informations on the development process of Meson and how to contribute.
+Some general information on the development process of Meson and how to contribute.
 
 ### Community
 
@@ -41,7 +41,7 @@ The second way is via IRC. The channel to use is `#mesonbuild` at
 
 All development on Meson is done on the [GitHub
 project](https://github.com/mesonbuild/meson). Instructions for
-contributing can be found on the [contribution page](http://mesonbuild.com/Contributing.html).
+contributing can be found on the [contribution page](https://mesonbuild.com/Contributing.html).
 
 You do not need to sign a CLA to contribute to Meson.
 

devdocs/markdown/testing.md

@@ -1,6 +1,6 @@
 # Testing
 
-See [this here](http://mesonbuild.com/Contributing.html#tests).
+See [this here](https://mesonbuild.com/Contributing.html#tests).
 
 TODO