fix title

2023/2023-06-06_Julia-HPCSchool/slides/index.md

 
-# Julia for newcomers
+# Julia for High Performance Scientific Computing
 
-## June 8th, 2022
+## June 6th, 2023
 
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     <img src="theme/img/lcsb_bg.png">
@@ -10,7 +10,7 @@
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     <img src="slides/img/r3-training-logo.png" height="200px">
     <img src="slides/img/julia.svg" height="200px">
-    <h1 style="margin-top:3ex; margin-bottom:3ex;">Julia on HPCs</h1>
+    <h1 style="margin-top:3ex; margin-bottom:3ex;">Julia for HPCs</h1>
     <h4>
         Miroslav Kratochvíl, Ph.D.<br>
         Laurent Heirendt, Ph.D.<br>