diff --git a/libraries/liblmdb/sample-bdb.c b/libraries/liblmdb/sample-bdb.txt
similarity index 94%
rename from libraries/liblmdb/sample-bdb.c
rename to libraries/liblmdb/sample-bdb.txt
index f827324..6a959bd 100644
--- a/libraries/liblmdb/sample-bdb.c
+++ b/libraries/liblmdb/sample-bdb.txt
@@ -1,6 +1,6 @@
-/* sample-bdb.c - BerkeleyDB toy/sample
+/* sample-bdb.txt - BerkeleyDB toy/sample
  *
- * Do a line-by-line comparison of this and sample-mdb.c
+ * Do a line-by-line comparison of this and sample-mdb.txt
  */
 /*
  * Copyright 2012 Howard Chu, Symas Corp.
diff --git a/libraries/liblmdb/sample-mdb.c b/libraries/liblmdb/sample-mdb.txt
similarity index 94%
rename from libraries/liblmdb/sample-mdb.c
rename to libraries/liblmdb/sample-mdb.txt
index a74f556..a233ec5 100644
--- a/libraries/liblmdb/sample-mdb.c
+++ b/libraries/liblmdb/sample-mdb.txt
@@ -1,6 +1,6 @@
-/* sample-mdb.c - MDB toy/sample
+/* sample-mdb.txt - MDB toy/sample
  *
- * Do a line-by-line comparison of this and sample-bdb.c
+ * Do a line-by-line comparison of this and sample-bdb.txt
  */
 /*
  * Copyright 2012 Howard Chu, Symas Corp.