Fix some typos

docs/self-build.md

@@ -2,11 +2,11 @@
 
 The playbook supports the self building of a couple of components. This may be useful for architectures beside x86_64 that have no docker images right now (e g. the armv7 for the Raspberry Pi). Some roles have been updated, so they build the necessary image on the host. It needs more space, as some build tools need to be present (like Java, for mxisd).
 
-To use these modification there is a variable that needs to be switched to enable this functionality. Add this to your vars.yaml file:
-```
+To use these modification there is a variable that needs to be switched to enable this functionality. Add this to your `vars.yaml` file:
+```yaml
 matrix_container_images_self_build = true
 ```
-Setting that variable will self-build every role where applicable. Self-building can be set on a per-role basis as well.
+Setting that variable will self-build every role which supports self-building. Self-building can be set on a per-role basis as well.
 
 List of roles where self-building the docker image is currently possible:
 - synapse

roles/matrix-bridge-mautrix-facebook/tasks/setup_install.yml

@@ -37,7 +37,7 @@
     force: "yes"
   when: "matrix_mautrix_facebook_enabled|bool and matrix_mautrix_facebook_container_image_self_build"
 
-- name: Ensure Mautrix Facebook Docker image is build
+- name: Ensure Mautrix Facebook Docker image is built
   docker_image:
     name: "{{ matrix_mautrix_facebook_docker_image }}"
     source: build

roles/matrix-bridge-mautrix-hangouts/tasks/setup_install.yml

@@ -38,7 +38,7 @@
     force: "yes"
   when: "matrix_mautrix_hangouts_enabled|bool and matrix_mautrix_hangouts_container_image_self_build"
 
-- name: Ensure Mautrix Hangouts Docker image is build
+- name: Ensure Mautrix Hangouts Docker image is built
   docker_image:
     name: "{{ matrix_mautrix_hangouts_docker_image }}"
     source: build

roles/matrix-coturn/tasks/setup_coturn.yml

@@ -31,7 +31,7 @@
     force: "yes"
   when: "matrix_coturn_enabled|bool and matrix_coturn_container_image_self_build"
 
-- name: Ensure Coturn Docker image is build
+- name: Ensure Coturn Docker image is built
   docker_image:
     name: "{{ matrix_coturn_docker_image }}"
     source: build

roles/matrix-riot-web/tasks/setup_riot_web.yml

@@ -32,7 +32,7 @@
     force: "yes"
   when: "matrix_riot_web_enabled|bool and matrix_riot_web_container_image_self_build"
 
-- name: Ensure Riot Web Docker image is build
+- name: Ensure Riot Web Docker image is built
   docker_image:
     name: "{{ matrix_riot_web_docker_image }}"
     source: build

roles/matrix-synapse/tasks/synapse/setup_install.yml

@@ -26,7 +26,7 @@
     force: "yes"
   when: "matrix_synapse_container_image_self_build"
 
-- name: Ensure Synapse Docker image is build
+- name: Ensure Synapse Docker image is built
   docker_image:
     name: "{{ matrix_synapse_docker_image }}"
     source: build