simple fixes

Signed-off-by: Saurabh Misra <[email protected]>

Author: misrasaurabh1

docs/optimizing-with-codeflash/trace-and-optimize.mdx

@@ -24,9 +24,9 @@ This powerful command creates high-quality optimizations, making it ideal when y
 
 The generated replay tests and the trace file are for the immediate optimization use, don't add them to git.
 
-## Codeflash optimize demo (1 min)
+## Codeflash optimize 1 min demo
 
-<iframe width="750" height="460" src="https://www.youtube.com/embed/_nwliGzRIug" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
+<iframe width="640" height="400" src="https://www.youtube.com/embed/_nwliGzRIug" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
 
 
 ## What is the codeflash optimize command?