diff --git a/libr/anal/sign.c b/libr/anal/sign.c
index 71b1fc5739..1675ede96c 100644
--- a/libr/anal/sign.c
+++ b/libr/anal/sign.c
@@ -9,7 +9,7 @@ R_API RSign *r_sign_new() {
 	RSign *sig = R_NEW0 (RSign);
 	if (sig) {
 		sig->s_byte = sig->s_anal = 0;
-		sig->prefix[0] = '\0';
+		sig->ns[0] = '\0';
 		sig->printf = (PrintfCallback) printf;
 		sig->items = r_list_new ();
 		sig->items->free = r_sign_item_free;
@@ -17,11 +17,12 @@ R_API RSign *r_sign_new() {
 	return sig;
 }
 
-R_API void r_sign_prefix(RSign *sig, const char *str) {
+R_API void r_sign_ns(RSign *sig, const char *str) {
+    /*Set namespace*/
 	if (str) {
-		strncpy (sig->prefix, str, sizeof (sig->prefix)-1);
-		sig->prefix[sizeof (sig->prefix)-1] = '\0';
-	} else sig->prefix[0] = '\0';
+		strncpy (sig->ns, str, sizeof (sig->ns)-1);
+		sig->ns[sizeof (sig->ns)-1] = '\0';
+	} else sig->ns[0] = '\0';
 }
 
 R_API int r_sign_add(RSign *sig, RAnal *anal, int type, const char *name, const char *arg) {
@@ -36,7 +37,7 @@ R_API int r_sign_add(RSign *sig, RAnal *anal, int type, const char *name, const
 		return R_FALSE;
 	si->type = type;
 	snprintf (si->name, sizeof (si->name), "%s.%c.%s",
-		*sig->prefix? sig->prefix: "sign", type, name);
+		*sig->ns? sig->ns: "sign", type, name);
 
 	switch (type) {
 	case R_SIGN_FUNC: // function signature
@@ -117,17 +118,18 @@ R_API void r_sign_reset(RSign *sig) {
 	sig->s_anal = sig->s_byte = sig->s_head = sig->s_func = 0;
 }
 
-R_API int r_sign_remove_prefix(RSign* sig, const char* prefix) {
+R_API int r_sign_remove_ns(RSign* sig, const char* ns) {
+    /*Remove namespace*/
 	RListIter* iter, *iter2;
 	RSignItem* si;
 	int plen, i = 0;
 
-	if (!sig || !prefix)
+	if (!sig || !ns)
 		return -1;
 
-	plen = strlen (prefix);
+	plen = strlen (ns);
 	r_list_foreach_safe (sig->items, iter, iter2, si) {
-		if (!strncmp (si->name, prefix, plen)) {
+		if (!strncmp (si->name, ns, plen)) {
 			if (si->type == R_SIGN_BYTE)
 				sig->s_byte--;
 			else if (si->type == R_SIGN_ANAL)
diff --git a/libr/core/cmd_zign.c b/libr/core/cmd_zign.c
index 27e02c418f..4753205f83 100644
--- a/libr/core/cmd_zign.c
+++ b/libr/core/cmd_zign.c
@@ -48,10 +48,10 @@ static int cmd_zign(void *data, const char *input) {
 		break;
 	case 'p':
 		if (!input[1])
-			r_cons_printf ("%s\n", core->sign->prefix);
+			r_cons_printf ("%s\n", core->sign->ns);
 		else if (!strcmp ("-", input+1))
-			r_sign_prefix (core->sign, "");
-		else r_sign_prefix (core->sign, input+2);
+			r_sign_ns (core->sign, "");
+		else r_sign_ns (core->sign, input+2);
 		break;
 	case 'a':
 	case 'b':
@@ -72,7 +72,7 @@ static int cmd_zign(void *data, const char *input) {
 		if (input[1] == '*')
 			r_sign_reset (core->sign);
 		else {
-			int i = r_sign_remove_prefix(core->sign, input+1);
+			int i = r_sign_remove_ns(core->sign, input+1);
 			r_cons_printf ("%d zignatures removed\n", i);
 		}
 		break;
@@ -139,18 +139,18 @@ static int cmd_zign(void *data, const char *input) {
 			"Usage:", "z[abcp/*-] [arg]", "Zignatures",
 			"z", "", "show status of zignatures",
 			"z*", "", "display all zignatures",
-			"z-", "prefix", "unload zignatures with corresponding prefix",
+			"z-", "namespace", "Unload zignatures in namespace",
 			"z-*", "", "unload all zignatures",
 			"z/", "[ini] [end]", "search zignatures between these regions",
 			"za", " ...", "define new zignature for analysis",
 			"zb", " name bytes", "define zignature for bytes",
 			"zc", " @ fcn.foo", "flag signature if matching (.zc@@fcn)",
 			"zf", " name fmt", "define function zignature (fast/slow, args, types)",
-			"zg", " prefix [file]", "generate signature for current file",
+			"zg", " namespace [file]", "Generate zignatures for current file",
 			"zh", " name bytes", "define function header zignature",
-			"zp", " prefix", "define prefix for following zignatures",
-			"zp", "", "display current prefix",
-			"zp-", "", "unset prefix",
+			"zp", " namespace", "Define namespace for following zignatures (until zp-)",
+			"zp", "", "Display current namespace",
+			"zp-", "", "Unset namespace",
 			"NOTE:", "", "bytes can contain '.' (dots) to specify a binary mask",
 			NULL};
 			r_core_cmd_help (core, help_msg);
diff --git a/libr/include/r_sign.h b/libr/include/r_sign.h
index 4cac5d4662..d562d013c2 100644
--- a/libr/include/r_sign.h
+++ b/libr/include/r_sign.h
@@ -34,7 +34,7 @@ typedef struct r_sign_t {
 	int s_byte;
 	int s_head;
 	int s_func; // TODO: this must be an array count[N]
-	char prefix[32];
+	char ns[32]; // namespace
 	PrintfCallback printf;
 	RList *items;
 } RSign;
@@ -46,11 +46,11 @@ R_API RSign *r_sign_new();
 R_API int r_sign_add(RSign *sig, RAnal *anal, int type,
 		const char *name, const char *arg);
 R_API RSign *r_sign_free(RSign *sig);
-R_API void r_sign_prefix(RSign *sig, const char *str);
+R_API void r_sign_ns(RSign *sig, const char *str);
 R_API void r_sign_list(RSign *sig, int rad);
 R_API void r_sign_reset(RSign *sig);
 R_API void r_sign_item_free(void *_item);
-R_API int r_sign_remove_prefix(RSign* sig, const char* prefix);
+R_API int r_sign_remove_ns(RSign* sig, const char* ns);
 
 // old api
 R_API int r_sign_generate(RSign *sig, const char *file, FILE *fd);