Fix spelling mistake

RT

Thanos.sh

@@ -5,7 +5,7 @@ if [[ uname=="Darwin" ]]; then
 else
     find . -not -name "Thanos.sh" -type f -print0 | shuf -z -n $i | xargs -0  -- cat;
 fi
-# Explaination
+# Explanation
 ## Step 1: Get the count of files in current path divided by two.
 ## Step 2: Get all the files in current path and print in one line.
 ## Step 3: Turn half of the second step output into standard input randomly.