Documentation: Remove duplicate words in docs and comments

code/addons/docs/docs/props-tables.md

@@ -90,7 +90,7 @@ Props tables are automatically inferred from your components and stories, but so
 
 Props tables are rendered from an internal data structure called `ArgTypes`. When you declare a story's `component` metadata, Docs automatically extracts `ArgTypes` based on the component's properties.
 
-You can can customize what's shown in the props table by [customizing the `ArgTypes` data](#customizing-argtypes). This is currently available for `DocsPage` and `<ArgsTable story="xxx">` construct, but not for the `<ArgsTable of={component} />` construct,
+You can customize what's shown in the props table by [customizing the `ArgTypes` data](#customizing-argtypes). This is currently available for `DocsPage` and `<ArgsTable story="xxx">` construct, but not for the `<ArgsTable of={component} />` construct,
 
 ### Customizing ArgTypes
 

code/core/src/csf-tools/README.md

@@ -6,7 +6,7 @@ An experimental library to read, analyze, transform, and write CSF programmatica
 - Analyze - Extract its metadata & stories based on the Babel AST
 - Write - Write the AST back to a file
 
-It can can parse MDX into CSF.
+It can parse MDX into CSF.
 
 Coming soon:
 

code/core/src/shared/universal-store/index.ts

@@ -216,7 +216,7 @@ export class UniversalStore<
   /**
    * The syncing construct is used to keep track of if the instance's state has been synced with the
    * other instances. A leader will immediately have the promise resolved. A follower will initially
-   * be in a PENDING state, and resolve the the leader has sent the existing state, or reject if no
+   * be in a PENDING state, and resolve when the leader has sent the existing state, or reject if no
    * leader has responded before the timeout.
    */
   private syncing?: {