Fixed typo of 'confid.h' to 'config.h' (#2448)

* Fixed typo of 'confid.h' to 'config.h'

* Fixed broken links in docs

docs/eclipse.md

@@ -1,6 +1,6 @@
 # Setting up Eclipse for QMK Development
 
-[Eclipse](https://en.wikipedia.org/wiki/Eclipse_(software)) is an open-source [Integrated Development Environment](https://en.wikipedia.org/wiki/Integrated_development_environment) (IDE) widely used for Java development, but with an extensible plugin system that allows to customize it for other languages and usages.
+[Eclipse][1] is an open-source [Integrated Development Environment](https://en.wikipedia.org/wiki/Integrated_development_environment) (IDE) widely used for Java development, but with an extensible plugin system that allows to customize it for other languages and usages.
 
 Using an IDE such as Eclipse provides many advantages over a plain text editor, such as:
 * intelligent code completion
@@ -17,7 +17,7 @@ Note that this set-up has been tested on Ubuntu 16.04 only for the moment.
 
 # Prerequisites
 ## Build Environment
-Before starting, you must have followed the [Getting Started](home.md#getting-started) section corresponding to your system. In particular, you must have been able to build the firmware with [the `make` command](../#the-make-command).
+Before starting, you must have followed the [Getting Started](README.md#getting-started) section corresponding to your system. In particular, you must have been able to build the firmware with [the `make` command](../#the-make-command).
 
 ## Java
 Eclipse is a Java application, so you will need to install Java 8 or more recent to be able to run it. You may choose between the JRE or the JDK, the latter being useful if you intend to do Java development.
@@ -84,3 +84,5 @@ We will now configure a make target that cleans the project and builds the keyma
 7. (Optional) Toggle the <kbd>Hide Empty Folders</kbd> icon button above the targets tree to only show your build target.
 8. Double-click the build target you created to trigger a build.
 9. Select the <kbd>Console</kbd> view at the bottom to view the running build.
+
+  [1]: https://en.wikipedia.org/wiki/Eclipse_(software)

docs/feature_audio.md

@@ -82,7 +82,7 @@ The pitch standard (`PITCH_STANDARD_A`) is 440.0f by default - to change this, a
 
     #define PITCH_STANDARD_A 432.0f
 
-You can completely disable Music Mode as well. This is useful, if you're pressed for space on your controller.  To disable it, add this to your `confid.h`:
+You can completely disable Music Mode as well. This is useful, if you're pressed for space on your controller.  To disable it, add this to your `config.h`:
 
     #define NO_MUSIC_MODE
 

docs/feature_mouse_keys.md

@@ -5,17 +5,17 @@ Mousekeys is a feature that allows you to emulate a mouse using your keyboard. Y
 
 ## Adding Mousekeys to a Keymap
 
-There are two steps to adding Mousekeys support to your keyboard. You must enable support in the Makefile and you must map mouse actions to keys on your keyboard.
+There are two steps to adding Mousekeys support to your keyboard. You must enable support in the `rules.mk` file and you must map mouse actions to keys on your keyboard.
 
-### Adding Mousekeys Support in the `Makefile`
+### Adding Mousekeys Support in the `rules.mk`
 
-To add support for Mousekeys you simply need to add a single line to your keymap's `Makefile`:
+To add support for Mousekeys you simply need to add a single line to your keymap's `rules.mk`:
 
 ```
 MOUSEKEY_ENABLE = yes
 ```
 
-You can see an example here: https://github.com/qmk/qmk_firmware/blob/master/keyboards/clueboard/keymaps/mouse_keys/Makefile
+You can see an example here: https://github.com/qmk/qmk_firmware/blob/master/keyboards/clueboard/66/keymaps/mouse_keys/rules.mk
 
 ### Mapping Mouse Actions to Keyboard Keys
 

docs/keycodes.md

@@ -366,7 +366,7 @@ This is a reference only. Each group of keys links to the page documenting their
 |`KC_RIGHT_ANGLE_BRACKET`|`KC_GT`/`KC_RABK` |`>`                |
 |`KC_QUESTION`           |`KC_QUES`         |`?`                |
 
-## [Switching and Toggling Layers](feature_common_shortcuts.md#switching-and-toggling-layers)
+## [Switching and Toggling Layers](feature_advanced_keycodes.md#switching-and-toggling-layers)
 
 |Key            |Description                                                                       |
 |---------------|----------------------------------------------------------------------------------|