diff --git a/README.md b/README.md
index a6fe5ca9..a5287abb 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,7 @@ This section is used to specify tasks that will be executed before generating an
 #### Supported preflight options:
 
 - check_zone_fills: [boolean=false] Zones are filled before doing any operation involving PCB layers.
+- erc_warnings: [boolean=false] Option for `run_erc`. ERC warnings are considered errors.
 - filters: [list(dict)] A list of entries to filter out ERC/DRC messages.
   * Valid keys:
     - `error`: [string=''] Error id we want to exclude. A name for KiCad 6 or a number for KiCad 5, but always a string.
diff --git a/docs/samples/generic_plot.kibot.yaml b/docs/samples/generic_plot.kibot.yaml
index 1d80a46c..65c029de 100644
--- a/docs/samples/generic_plot.kibot.yaml
+++ b/docs/samples/generic_plot.kibot.yaml
@@ -8,6 +8,8 @@ kibot:
 preflight:
   # [boolean=false] Zones are filled before doing any operation involving PCB layers.
   check_zone_fills: true
+  # [boolean=false] Option for `run_erc`. ERC warnings are considered errors.
+  erc_warnings: false
   # [list(dict)] A list of entries to filter out ERC/DRC messages.
   filters: 
     - filter: 'Filter description'