Update 2021-05-04-pldi21.md

_posts/2021-05-04-pldi21.md

@@ -2,9 +2,10 @@
 title: PLDI21 official song and video now out
 ---
 
-Another year, another PLDI conference, another excellent PLDI song and video: "Pure Implementation", displaying the musical talents of many friends and colleagues. 
+Another year, another PLDI conference, another excellent PLDI song and video: "Pure Implementation", displaying the musical talents of many friends and colleagues.  
+
 
 <iframe width="560" height="315" src="https://www.youtube.com/embed/77999Td20TM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 
 
-PLDI is the ACM SIGPLAN Conference on Programming Language Design and Implementation, one of the premier conferences in the field of programming languages and programming systems research. The conference will be held virtually yet again this year, from Sungay 20 to Saturday 26 June 2021.[Registration is now open](https://pldi21.sigplan.org/).
+PLDI is the ACM SIGPLAN Conference on Programming Language Design and Implementation, one of the premier conferences in the field of programming languages and programming systems research. The conference will be held virtually yet again this year, from Sunday 20 to Saturday 26 June 2021. [Registration is now open](https://pldi21.sigplan.org/).