docs: fix typos in ./go-zero.dev/en/shorturl-en.md

go-zero.dev/en/shorturl-en.md

@@ -29,7 +29,7 @@ Let’s take the shorturl microservice as a quick example to demonstrate how to
 
 A shorturl service is that it converts a long url into a short one, by well designed algorithms.
 
-Writting this shorturl service is to demonstrate the complete flow of creating a microservice by using go-zero. But algorithms and detail implementations are quite simplified, and this shorturl service is not suitable for production use.
+Writing this shorturl service is to demonstrate the complete flow of creating a microservice by using go-zero. But algorithms and detail implementations are quite simplified, and this shorturl service is not suitable for production use.
 
 ## 2. Architecture of shorturl microservice
 
@@ -401,7 +401,7 @@ Till now, we’ve done the modification of API Gateway. All the manually added c
   source shorturl.sql;
   ```
 
-* under the directory `rpc/transform/model` execute the following command to genrate CRUD+cache code, `-c` means using `redis cache`
+* under the directory `rpc/transform/model` execute the following command to generate CRUD+cache code, `-c` means using `redis cache`
 
   ```shell
   goctl model mysql ddl -c -src shorturl.sql -dir .
@@ -505,7 +505,7 @@ Till now, we’ve done the modification of API Gateway. All the manually added c
   }
   ```
 
-  till now, we finished modifing the code, all the modified code is marked.
+  till now, we finished modifying the code, all the modified code is marked.
 
 ## 10. Call shorten and expand services