update doc

ppstructure/docs/quickstart_en.md

@@ -308,4 +308,4 @@ Most of the parameters are consistent with the PaddleOCR whl package, see [whl p
 <a name="3"></a>
 ## 3. Summary
 
-Through the content in this section, you can master the use of PP-Structure related functions through PaddleOCR whl package. Please refer to [documentation tutorial](../../README.md) for more detailed usage tutorials including model training, inference and deployment, etc.
+Through the content in this section, you can master the use of PP-Structure related functions through PaddleOCR whl package. Please refer to [documentation tutorial](../../README.md) for more detailed usage tutorials including model training, inference and deployment, etc.
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