diff --git a/src/system/libroot/posix/string/strlwr.c b/src/system/libroot/posix/string/strlwr.c
index c6369d531e..16b20b05e1 100644
--- a/src/system/libroot/posix/string/strlwr.c
+++ b/src/system/libroot/posix/string/strlwr.c
@@ -1,7 +1,7 @@
 /*
-** Copyright 2008, Mika Lindqvist. All rights reserved.
-** Distributed under the terms of the Haiku License.
-*/
+ * Copyright 2008, Mika Lindqvist. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
 
 #include <ctype.h>
 #include <string.h>
@@ -10,10 +10,11 @@ char *
 strlwr(char *str)
 {
     char *c = str;
-    while(*c) {
+    while (*c) {
         *c = tolower(*c);
         c++;
     }
-    return(str);
+
+    return str;
 }
 
diff --git a/src/system/libroot/posix/string/strupr.c b/src/system/libroot/posix/string/strupr.c
index 1803b7b0a3..97388d0801 100644
--- a/src/system/libroot/posix/string/strupr.c
+++ b/src/system/libroot/posix/string/strupr.c
@@ -1,7 +1,7 @@
 /*
-** Copyright 2008, Mika Lindqvist. All rights reserved.
-** Distributed under the terms of the Haiku License.
-*/
+ * Copyright 2008, Mika Lindqvist. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
 
 #include <ctype.h>
 #include <string.h>
@@ -10,10 +10,11 @@ char *
 strupr(char *str)
 {
     char *c = str;
-    while(*c) {
+    while (*c) {
         *c = toupper(*c);
         c++;
     }
-    return(str);
+
+    return str;
 }