Update src/connections/sources/catalog/libraries/server/csharp/migration-guide.md

Co-authored-by: stayseesong <[email protected]>

Author: wenxi-zeng

src/connections/sources/catalog/libraries/server/csharp/migration-guide.md

@@ -48,7 +48,7 @@ You can update to Analytics-CSharp in 3 steps:
 
 3. *(Optional)* Update calls that resets the anonymous ID. 
 
-   The old SDK requires you to provide anouymous ID. In the new SDK, it generates an Anonymous ID for you if you never call `analytics.Identify`. If you've called `Identify` and want to go back to anonymous, the new SDK provides a `Reset` function to acheive that.
+The old SDK requires you to provide the anonymous ID. In the new SDK, it generates an Anonymous ID for you if you never call `analytics.Identify`. If you call `Identify` and want to go back to anonymous, the new SDK provides a `Reset` function to achieve that.
 
     <br> Before:
     ```c#