Merge pull request MicrosoftDocs#753 from MicrosoftDocs/FromPublicMasterBranch

Confirm merge from FromPublicMasterBranch to master to sync with https://github.com/MicrosoftDocs/cpp-docs (branch master)

Author: PRMerger7

docs/cpp/single-inheritance.md

@@ -140,8 +140,10 @@ class PaperbackBook : public Document {};
   
 int main() {  
    Document * DocLib[10];   // Library of ten documents.  
-   for (int i = 0 ; i < 10 ; i++)  
+   for (int i = 0 ; i < 5 ; i++)  
       DocLib[i] = new Document;  
+   for (int i = 5 ; i < 10 ; i++)  
+      DocLib[i] = new PaperbackBook;  
 }  
 ```