diff --git a/cpp/class.cpp b/cpp/class.cpp
index e7b11c0..c88abf3 100644
--- a/cpp/class.cpp
+++ b/cpp/class.cpp
@@ -1454,7 +1454,7 @@ int main() {
 
             Great explanation: <http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom>
 
-            Why swap should be afriend: <http://stackoverflow.com/questions/5695548/public-friend-swap-member-function>
+            Why swap should be a friend: <http://stackoverflow.com/questions/5695548/public-friend-swap-member-function>
         */
         {
             CopyAndSwap c0(2, 2);
diff --git a/shared_library/basic/README.md b/shared_library/basic/README.md
index e83d835..27bd33d 100644
--- a/shared_library/basic/README.md
+++ b/shared_library/basic/README.md
@@ -4,5 +4,6 @@ Basic example. Creates a shared and a static library from `a.c` and `b.c`.
 
 Used in the following answers:
 
+- https://stackoverflow.com/questions/3961446/why-does-gcc-not-implicitly-supply-the-fpic-flag-when-compiling-static-librarie/65005457#65005457
 - https://unix.stackexchange.com/questions/89211/how-to-test-whether-a-linux-binary-was-compiled-as-position-independent-code/435038#435038
 - https://unix.stackexchange.com/questions/226524/what-system-call-is-used-to-load-libraries-in-linux/462710#462710