typo: Double word 'conceptual'

Author: nschonni

contributing/content-style-guide.md

@@ -218,7 +218,7 @@ When introducing a list, avoid phrasing like “the following” or “these”,
 
 ## Procedural steps
 
-Procedures give readers a set of sequential steps to follow to complete a task. Always use numbered lists for procedures. Give readers all of the prerequisites or conceptual conceptual information they’ll need to complete the task before the procedure, rather than including it within a specific step.
+Procedures give readers a set of sequential steps to follow to complete a task. Always use numbered lists for procedures. Give readers all of the prerequisites or conceptual information they’ll need to complete the task before the procedure, rather than including it within a specific step.
 
 Each step must include an action. You can also choose to include whether a step is optional, explain the reason or result of the step, and orient the reader by describing the location of the action, before guiding them to complete the action.