diff --git a/agbenchmark/challenges/memory/m2/artifacts_in/instructions_5.txt b/agbenchmark/challenges/memory/m2/artifacts_in/instructions_5.txt
index 92a6fba94f0..2f60afa1737 100644
--- a/agbenchmark/challenges/memory/m2/artifacts_in/instructions_5.txt
+++ b/agbenchmark/challenges/memory/m2/artifacts_in/instructions_5.txt
@@ -1 +1 @@
-Write the ids previously mentioned to a file called file_to_check.txt.
+Write the ids previously mentioned to a .txt file.
diff --git a/agbenchmark/challenges/memory/m2/data.json b/agbenchmark/challenges/memory/m2/data.json
index 29d7339b8e4..6e898298a96 100644
--- a/agbenchmark/challenges/memory/m2/data.json
+++ b/agbenchmark/challenges/memory/m2/data.json
@@ -7,7 +7,7 @@
     "answer": "3145\n3791\n9317\n9471",
     "should_contain": ["3145", "3791", "9317", "9471"],
     "should_not_contain": [],
-    "files": ["file_to_check.txt"],
+    "files": [".txt"],
     "type": "file"
   },
   "mock": {
diff --git a/agbenchmark/challenges/memory/m3/artifacts_in/instructions_5.txt b/agbenchmark/challenges/memory/m3/artifacts_in/instructions_5.txt
index 1c3f156e3b3..db609b4b9cd 100644
--- a/agbenchmark/challenges/memory/m3/artifacts_in/instructions_5.txt
+++ b/agbenchmark/challenges/memory/m3/artifacts_in/instructions_5.txt
@@ -1,5 +1,5 @@
 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
 
-Write the ids previously mentioned to a file called file_to_check.txt.
+Write the ids previously mentioned to a to a .txt file.
 
 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
diff --git a/agbenchmark/challenges/memory/m3/data.json b/agbenchmark/challenges/memory/m3/data.json
index 6b53c45714d..2a4f06ff7da 100644
--- a/agbenchmark/challenges/memory/m3/data.json
+++ b/agbenchmark/challenges/memory/m3/data.json
@@ -7,7 +7,7 @@
     "answer": "3145\n3791\n9317\n9471",
     "should_contain": ["3145", "3791", "9317", "9471"],
     "should_not_contain": [],
-    "files": ["file_to_check.txt"],
+    "files": [".txt"],
     "type": "file"
   },
   "mock": {
diff --git a/agbenchmark/challenges/memory/m4/artifacts_in/instructions_5.txt b/agbenchmark/challenges/memory/m4/artifacts_in/instructions_5.txt
index 729f0aa0db2..ee490e6c995 100644
--- a/agbenchmark/challenges/memory/m4/artifacts_in/instructions_5.txt
+++ b/agbenchmark/challenges/memory/m4/artifacts_in/instructions_5.txt
@@ -1,5 +1,5 @@
 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
 
-Write the phrases previously mentioned to a file called file_to_check.txt.
+Write the phrases previously mentioned to a to a .txt file.
 
 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
diff --git a/agbenchmark/challenges/memory/m4/data.json b/agbenchmark/challenges/memory/m4/data.json
index 316ef94761f..adfd8e33fdf 100644
--- a/agbenchmark/challenges/memory/m4/data.json
+++ b/agbenchmark/challenges/memory/m4/data.json
@@ -12,7 +12,7 @@
       "The giant hamster rode a unicycle through the crowded mall"
     ],
     "should_not_contain": [],
-    "files": ["file_to_check.txt"],
+    "files": [".txt"],
     "type": "file"
   },
   "mock": {