diff --git a/fillin.c b/fillin.c
index a8ad237..b8126aa 100644
--- a/fillin.c
+++ b/fillin.c
@@ -6,12 +6,15 @@
 #include <string.h>
 #include <stdarg.h>
 
+// prefix for debug prints
+#define SSS "-fillin-\t"
+
 // https://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/libc---strcpy-chk-1.html
 // TODO: actually check for overflows
 char * __strcpy_chk(char * dest, const char * src, size_t destlen) {
 	char *d = dest;
 
-	//printf("FUCK STRCPY %s :::: %s\n", src, dest);
+	//printf(SSS "STRCPY %s :::: %s\n", src, dest);
 
 	while (*src != '\0') {
 		*d++ = *src++;
@@ -25,7 +28,7 @@ char * __strcpy_chk(char * dest, const char * src, size_t destlen) {
 // https://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/libc---stpcpy-chk-1.html
 char * __stpcpy_chk(char * dest, const char * src, size_t destlen) {
 
-	printf("FUCK STPCPY %s :::: %s\n", src, dest);
+	printf(SSS "STPCPY %s :::: %s\n", src, dest);
 
 	return stpcpy(dest, src);
 }
@@ -33,7 +36,7 @@ char * __stpcpy_chk(char * dest, const char * src, size_t destlen) {
 // https://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/libc---strncpy-chk-1.html
 char * __strncpy_chk(char * dest, const char * src, size_t n, size_t dest_1len) {
 
-	printf("FUCK STRNCPY %s :::: %s\n", src, dest);
+	printf(SSS "STRNCPY %s :::: %s\n", src, dest);
 
 	return strncpy(dest, src, n);
 }
@@ -41,7 +44,7 @@ char * __strncpy_chk(char * dest, const char * src, size_t n, size_t dest_1len)
 // https://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/libc---strcat-chk-1.html
 // TODO: There's some good info being dumped here
 char * __strcat_chk(char * dest, const char * src, size_t destlen) {
-	//printf("!!! strcat %s :::: %s\n", src, dest);
+	printf("!!! strcat %s :::: %s\n", src, dest);
 
 	char *res = strncat(dest, src, destlen);
 	
@@ -51,7 +54,7 @@ char * __strcat_chk(char * dest, const char * src, size_t destlen) {
 // https://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/libc---memcpy-chk-1.html
 void * __memcpy_chk(void * dest, const void * src, size_t len, size_t destlen) {
 
-	//puts("FUCK MEMCPY \n");
+	//puts(SSS "MEMCPY \n");
 
 	return memcpy(dest, src, len);
 }
@@ -59,7 +62,7 @@ void * __memcpy_chk(void * dest, const void * src, size_t len, size_t destlen) {
 // https://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/libc---memset-chk-1.html
 void * __memset_chk(void * dest, int c, size_t len, size_t destlen) {
 
-	puts("FUCK MEMSET\n");
+	puts(SSS "MEMSET\n");
 
 	return memset(dest, c, len);
 }
@@ -110,14 +113,15 @@ int __sprintf_chk(char * str, int flag, size_t strlen, const char * format, ...)
 }
 
 void __longjmp_chk () {
-	// puts("FUCK LONG JMP\n");
+	// puts(SSS "LONG JMP\n");
 	asm("pop %rbp");
+	// I think this is a GNU extention, but it's an easy way to do it
 	goto *(&longjmp);
 }
 
 void __fread_chk () {
 	// asm ("pop %rbp");
-	puts("FUCK FREAD\n");
+	puts(SSS "FREAD\n");
 	// stub
 }