fix errors

Author: sjoerdev

content/posts/cpp-for-cscharp.md

@@ -116,7 +116,7 @@ This pointer has ownership over whatever it points to, if it goes out of scope a
 What makes this one different from the other smart pointers:
 
 - there can only be only one unique pointer per object
-- the pointer and the object have the same lifetime
+- the object lifetime is tied to the unique pointer, unless ownership is moved
 
 ```cpp
 // cpp
@@ -152,15 +152,15 @@ void test()
     std::shared_ptr<Foo> sp_1 = std::make_shared<Foo>();
 
     // sharing ownership
-    std::shared_ptr<int> sp_2 = sp_1;
+    std::shared_ptr<Foo> sp_2 = sp_1;
 
     // get amount of shares
-    int shares = sp_1.use_count() // there are now 2 shares
+    int shares = sp_1.use_count(); // there are now 2 shares
 
     // you can manually drop a share like so
     sp_2.reset();
 
-    int shares = sp_1.use_count() // there is now 1 share
+    int shares = sp_1.use_count(); // there is now 1 share
 
     // at the end of this scope the first pointer also drops
     // now since there are no more shares the object is freed
@@ -194,7 +194,7 @@ void test()
     std::weak_ptr<Foo> wp = sp;
 
     // get amount of shares
-    int shares = sp.use_count() // still 1, weak ptr didnt add a share
+    int shares = sp.use_count(); // still 1, weak ptr didnt add a share
 
     // destroy the only and last shared pointer with ownership
     sp.reset();