diff --git a/validat10.cpp b/validat10.cpp
index 5ff0a2cc..4e7bf9f8 100644
--- a/validat10.cpp
+++ b/validat10.cpp
@@ -1,4 +1,4 @@
-// validat7.cpp - written and placed in the public domain by Jeffrey Walton
+// validat10.cpp - written and placed in the public domain by Jeffrey Walton
 //                Routines in this source file test NaCl library routines.
 //                Source files split in July 2018 to expedite compiles.
 //
diff --git a/validat5.cpp b/validat5.cpp
index c0dd66b2..44c004a9 100644
--- a/validat5.cpp
+++ b/validat5.cpp
@@ -1,4 +1,4 @@
-// validat6.cpp - originally written and placed in the public domain by Wei Dai
+// validat5.cpp - originally written and placed in the public domain by Wei Dai
 //                CryptoPP::Test namespace added by JW in February 2017.
 //                Source files split in July 2018 to expedite compiles.
 
diff --git a/validat6.cpp b/validat6.cpp
index a025c016..669372ec 100644
--- a/validat6.cpp
+++ b/validat6.cpp
@@ -1,4 +1,4 @@
-// validat5.cpp - originally written and placed in the public domain by Wei Dai
+// validat6.cpp - originally written and placed in the public domain by Wei Dai
 //                CryptoPP::Test namespace added by JW in February 2017.
 //                Source files split in July 2018 to expedite compiles.
 
diff --git a/validat7.cpp b/validat7.cpp
index 2cbb4e22..2e2935f9 100644
--- a/validat7.cpp
+++ b/validat7.cpp
@@ -1,4 +1,4 @@
-// validat5.cpp - originally written and placed in the public domain by Wei Dai
+// validat7.cpp - originally written and placed in the public domain by Wei Dai
 //                CryptoPP::Test namespace added by JW in February 2017.
 //                Source files split in July 2018 to expedite compiles.
 
diff --git a/validat8.cpp b/validat8.cpp
index 2eb81790..ba458877 100644
--- a/validat8.cpp
+++ b/validat8.cpp
@@ -1,4 +1,4 @@
-// validat5.cpp - originally written and placed in the public domain by Wei Dai
+// validat8.cpp - originally written and placed in the public domain by Wei Dai
 //                CryptoPP::Test namespace added by JW in February 2017.
 //                Source files split in July 2018 to expedite compiles.
 
diff --git a/validat9.cpp b/validat9.cpp
index d26274d6..2ada7094 100644
--- a/validat9.cpp
+++ b/validat9.cpp
@@ -1,4 +1,4 @@
-// validat5.cpp - originally written and placed in the public domain by Wei Dai
+// validat9.cpp - originally written and placed in the public domain by Wei Dai
 //                CryptoPP::Test namespace added by JW in February 2017.
 //                Source files split in July 2018 to expedite compiles.