Update docs

website/docs/usage/training.md

@@ -151,12 +151,11 @@ not just define static settings, but also construct objects like architectures,
 schedules, optimizers or any other custom components. The main top-level
 sections of a config file are:
 
-<!-- TODO: explain blocks and basic structure -->
-
-| Section    | Description                                                                                           |
-| ---------- | ----------------------------------------------------------------------------------------------------- |
-| `training` | Settings and controls for the training and evaluation process.                                        |
-| `nlp`      | Definition of the [processing pipeline](/docs/processing-pipelines), its components and their models. |
+| Section       | Description                                                                                           |
+| ------------- | ----------------------------------------------------------------------------------------------------- |
+| `training`    | Settings and controls for the training and evaluation process.                                        |
+| `pretraining` | Optional settings and controls for the [language model pretraining](#pretraining).                    |
+| `nlp`         | Definition of the [processing pipeline](/docs/processing-pipelines), its components and their models. |
 
 <Infobox title="Config format and settings" emoji="📖">
 

website/src/styles/layout.sass

@@ -358,6 +358,14 @@ body [id]:target
     &.italic
         font-style: italic
 
+// Settings for ini syntax (config files)
+[class*="language-ini"]
+    color: var(--syntax-comment)
+
+    .token
+        color: var(--color-subtle)
+
+
 .gatsby-highlight-code-line
     background-color: var(--color-dark-secondary)
     border-left: 0.35em solid var(--color-theme)
@@ -371,7 +379,6 @@ body [id]:target
         // Fix issue where empty lines would disappear
         content: " "
 
-
 // CodeMirror
 
 .CodeMirror.cm-s-default