From dc8d5fec24eb6bfa2ffe29d9f3da4181ab99790b Mon Sep 17 00:00:00 2001
From: BNAndras <20251272+BNAndras@users.noreply.github.com>
Date: Tue, 15 Jul 2025 00:38:31 +0000
Subject: [PATCH] =?UTF-8?q?=F0=9F=A4=96=20Auto-sync=20docs,=20metadata,=20?=
 =?UTF-8?q?and=20filepaths?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 exercises/practice/luhn/.docs/instructions.md            | 2 +-
 exercises/practice/piecing-it-together/.meta/config.json | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/exercises/practice/luhn/.docs/instructions.md b/exercises/practice/luhn/.docs/instructions.md
index df2e304a3..7702c6bbb 100644
--- a/exercises/practice/luhn/.docs/instructions.md
+++ b/exercises/practice/luhn/.docs/instructions.md
@@ -41,7 +41,7 @@ If the sum is evenly divisible by 10, the original number is valid.
 
 ### Invalid Canadian SIN
 
-The number to be checked is `066 123 468`.
+The number to be checked is `066 123 478`.
 
 We start at the end of the number and double every second digit, beginning with the second digit from the right and moving left.
 
diff --git a/exercises/practice/piecing-it-together/.meta/config.json b/exercises/practice/piecing-it-together/.meta/config.json
index 76e6e6cbf..b58751cb9 100644
--- a/exercises/practice/piecing-it-together/.meta/config.json
+++ b/exercises/practice/piecing-it-together/.meta/config.json
@@ -14,6 +14,9 @@
     ],
     "editor": [
       "src/main/java/JigsawInfo.java"
+    ],
+    "invalidator": [
+      "build.gradle"
     ]
   },
   "blurb": "Fill in missing jigsaw puzzle details from partial data",