diff --git a/DIRECTORY.md b/DIRECTORY.md
index 6213f26b6..5c63e6316 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -265,6 +265,7 @@
     * [Postfix Evaluation](data_structures/stacks/postfix_evaluation.py)
     * [Prefix Evaluation](data_structures/stacks/prefix_evaluation.py)
     * [Stack](data_structures/stacks/stack.py)
+    * [Stack Using Two Queues](data_structures/stacks/stack_using_two_queues.py)
     * [Stack With Doubly Linked List](data_structures/stacks/stack_with_doubly_linked_list.py)
     * [Stack With Singly Linked List](data_structures/stacks/stack_with_singly_linked_list.py)
     * [Stock Span Problem](data_structures/stacks/stock_span_problem.py)
@@ -361,6 +362,7 @@
   * [Trapped Water](dynamic_programming/trapped_water.py)
   * [Tribonacci](dynamic_programming/tribonacci.py)
   * [Viterbi](dynamic_programming/viterbi.py)
+  * [Wildcard Matching](dynamic_programming/wildcard_matching.py)
   * [Word Break](dynamic_programming/word_break.py)
 
 ## Electronics
@@ -791,7 +793,7 @@
 
 ## Physics
   * [Altitude Pressure](physics/altitude_pressure.py)
-  * [Archimedes Principle](physics/archimedes_principle.py)
+  * [Archimedes Principle Of Buoyant Force](physics/archimedes_principle_of_buoyant_force.py)
   * [Basic Orbital Capture](physics/basic_orbital_capture.py)
   * [Casimir Effect](physics/casimir_effect.py)
   * [Centripetal Force](physics/centripetal_force.py)
diff --git a/scripts/validate_solutions.py b/scripts/validate_solutions.py
index f27ec9ca6..ca4af5261 100755
--- a/scripts/validate_solutions.py
+++ b/scripts/validate_solutions.py
@@ -55,7 +55,7 @@ def added_solution_file_path() -> list[pathlib.Path]:
     solution_file_paths = []
     headers = {
         "Accept": "application/vnd.github.v3+json",
-        "Authorization": f"token {os.getenv('GITHUB_TOKEN', '')}",
+        "Authorization": "token " + os.environ["GITHUB_TOKEN"],
     }
     files = requests.get(get_files_url(), headers=headers).json()
     for file in files: