Fix typo

Author: kajyuuen

026-exception.md

@@ -267,7 +267,7 @@ int main()
 ~~~cpp
 int main()
 {
-    std::array<1,int> a = {0} ;
+    std::array<int, 1> a = {0} ;
 
     try { a[1000] ; }
     catch( std::out_of_range & e )