diff --git a/memcheck.h b/memcheck.h
index bf95491b9b8cf7e0c3be64507f455bc1f6d857b7..0e002702b2789ef3f7715cbf37f6af40fb753c39 100644
--- a/memcheck.h
+++ b/memcheck.h
@@ -15,11 +15,11 @@
 
    Copyright (C) 2000-2010 Julian Seward.  All rights reserved.
 
-   Redistribution and use in source and binary forms, with or without
+   redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
 
-   1. Redistributions of source code must retain the above copyright
+   1. redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
 
    2. The origin of this software must not be misrepresented; you must 
diff --git a/proxy.cpp b/proxy.cpp
index ab8896082fa5a6109e71419cfb0c490a1bc0038f..576300c119163845d23b2bc058698b567540531c 100644
--- a/proxy.cpp
+++ b/proxy.cpp
@@ -387,7 +387,7 @@ void test_execution::child()
 	cout_pipe.close_read();
 	nums_pipe.close_read();
 
-	// Redirect stdout/stderr to pipe
+	// redirect stdout/stderr to pipe
 	if (environment.opts.redirect_test_output)
 	{
 		cout_pipe.steal_output(STDOUT_FILENO);
diff --git a/valgrind.h b/valgrind.h
index 0bae0aa130eec3cf426bdff3bdd3880c7b308158..3e66a95d6ea79e6985b7b633c3b3c81c9c0b690b 100644
--- a/valgrind.h
+++ b/valgrind.h
@@ -14,11 +14,11 @@
 
    Copyright (C) 2000-2010 Julian Seward.  All rights reserved.
 
-   Redistribution and use in source and binary forms, with or without
+   redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
 
-   1. Redistributions of source code must retain the above copyright
+   1. redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
 
    2. The origin of this software must not be misrepresented; you must