Update liquid.md (#8250)

Merge pull request 8250

docs/_docs/configuration/liquid.md

@@ -6,16 +6,18 @@ Liquid's response to errors can be configured by setting `error_mode`. The
 options are
 
 - `lax` --- Ignore all errors.
-- `warn` --- Output a warning on the console for each error.
+- `warn` --- Output a warning on the console for each error. (default)
 - `strict` --- Output an error message and stop the build.
 
-Within _config.yml, this could be configured as follows:
+Within _config.yml, the default configuration is as follows:
 
 ```yaml
 liquid:
   error_mode: warn
 ```
 
+The above example depicts the "warn" value, which is already set by default- `error_mode: warn`. This results in any issues being called out during the build process however will continue to build if possible.
+
 You can also configure Liquid's renderer to catch non-assigned variables and
 non-existing filters by setting `strict_variables` and / or `strict_filters`
 to `true` respectively. {% include docs_version_badge.html version="3.8.0" %}
@@ -28,9 +30,9 @@ An example of setting these variables within _config.yml is as follows:
 
 ```yaml
 liquid:
-  error_mode strict
+  error_mode: strict
   strict_variables: true
   strict_filters: true
 ```
 
-Configuring as described above will stop a build/serve from happening and instead call out the offending error and halt. This is helpful when desiring to catch liquid-related issues by stopping the build or serve process and forcing you to deal with it.
+Configuring as described above will stop your build/serve from happening and call out the offending error and halt. This is helpful when desiring to catch liquid-related issues by stopping the build or serve process and allowing you to deal with any issues.