fix sentence

Signed-off-by: Masaya Kataoka <[email protected]>

.github/PULL_REQUEST_TEMPLATE.md

@@ -14,7 +14,7 @@
 
 ## Details
 
-> [Optional] If there is no code or change that is not immediately obvious without explanation, then this section can be deleted.  
+> [Optional] If there are only differences whose effects are so obvious that no explanation is needed, or if there are no differences in the code (e.g., documentation additions), this section may be deleted.
 > Delete this sentence and describe this pull request.  
 > For example, it is desirable to describe the specifications of added functions, and detailed explanations of bugs that have been fixed.  
 
@@ -31,7 +31,6 @@
 
 # Known Limitations
 
-> [Optional] If there are no known limitations that you can think of, delete this section.  
-> If there are any limitations on the features or fixes added by this pull request, delete this sentence and clearly describe them. If there are no limitations on the features or modifications added by the pull request, remove the "known limitations" section.  
+> [Optional] If there are no known limitations that you can think of, delete this section. If there are any limitations on the features or fixes added by this pull request, delete this sentence and clearly describe them.
 > For example, the lane matching algorithm currently (1/25/2024) employed is unable to match Entity that is heavily tilted with respect to the lane, and it is difficult to throw an exception.  
 > If the developer is aware of the existence of such problems or limitations, describe them in detail. The problems or limitation should be listed as an Issue on GitHub and a link to it should be provided in this section.