[Docs] Tweak some markup

docs/modules/ROOT/pages/configuration.adoc

@@ -51,7 +51,7 @@ files:
 * `~/.config/rubocop/config.yml`
 * https://github.com/rubocop-hq/rubocop/blob/master/config/default.yml[RuboCop's default configuration]
 
-All the previous logic does not apply if a specific configuration file is passed
+NOTE: All the previous logic does not apply if a specific configuration file is passed
 on the command line through the `--config` flag. In that case, the resolved
 configuration file will be the one passed to the CLI.
 
@@ -402,9 +402,11 @@ valid for the directory tree starting where they are defined. They are not
 shadowed by the setting of `Include` and `Exclude` in other `.rubocop.yml`
 files in subdirectories. This is different from all other parameters, who
 follow RuboCop's general principle that configuration for an inspected file
-is taken from the nearest `.rubocop.yml`, searching upwards. _This behavior
+is taken from the nearest `.rubocop.yml`, searching upwards.
+
+NOTE: This behavior
 will be overridden if you specify the `--ignore-parent-exclusion` command line
-argument_.
+argument.
 
 === Cop-specific `Include` and `Exclude`