diff --git a/docs/src/cplusplus/p0003.rst b/docs/src/cplusplus/p0003.rst
index 2b51ab56..939db0d4 100644
--- a/docs/src/cplusplus/p0003.rst
+++ b/docs/src/cplusplus/p0003.rst
@@ -27,4 +27,4 @@ Solution
    :language: C++
    :linenos:
 
-.. tags:: fibonacci-number, divisibility
+.. tags:: cpp-iterator, factorization, prime-number