diff --git a/src/match.c b/src/match.c
index 9cd79d0..4e7e3ff 100644
--- a/src/match.c
+++ b/src/match.c
@@ -2,6 +2,11 @@
 
 int PSYC_inherits(char* sho, size_t slen,
 		  char* lon, size_t llen) {
+
+	// this allows to pass zero-terminated strings instead of providing
+	// the length.. but we would be faster here if we expected the callee
+	// to always use the PSYC_C2ARG() macro instead. additionally, the
+	// empty string would then be fully supported (in case you want that)
 	if (!slen) slen = strlen(sho);
 	if (!llen) llen = strlen(lon);
 
diff --git a/src/psyc.c b/src/psyc.c
index 6aec5e1..a3942bf 100644
--- a/src/psyc.c
+++ b/src/psyc.c
@@ -17,11 +17,11 @@ inline PSYC_Modifier PSYC_newModifier(char oper, PSYC_String *name, PSYC_String
 	if (flag == PSYC_MODIFIER_CHECK_LENGTH) // find out if it needs a length
 	{
 		if (value->length > PSYC_MODIFIER_SIZE_THRESHOLD)
-	    m.flag = PSYC_PACKET_NEED_LENGTH;
+	    m.flag = PSYC_MODIFIER_NEED_LENGTH;
 		else if (memchr(value->ptr, (int)'\n', value->length))
-	    m.flag = PSYC_PACKET_NEED_LENGTH;
+	    m.flag = PSYC_MODIFIER_NEED_LENGTH;
 		else
-	    m.flag = PSYC_PACKET_NO_LENGTH;
+	    m.flag = PSYC_MODIFIER_NO_LENGTH;
 	}
 
 	return m;
diff --git a/src/render.c b/src/render.c
index bcf9d7f..4a148f4 100644
--- a/src/render.c
+++ b/src/render.c
@@ -5,17 +5,17 @@ inline int PSYC_renderModifier(PSYC_Modifier *m, char *buffer)
 {
 	int cur = 0;
 
-	memcpy(buffer + cur++, &m->oper, 1);
+	buffer[cur++] = m->oper;
 	memcpy(buffer + cur, m->name.ptr, m->name.length);
 	cur += m->name.length;
 	if (m->flag == PSYC_MODIFIER_NEED_LENGTH)
 	{
-		memcpy(buffer + cur++, " ", 1);
+		buffer[cur++] = ' ';
 		cur += sprintf(buffer + cur, "%ld", m->value.length);
 	}
 	memcpy(buffer + cur, m->value.ptr, m->value.length);
 	cur += m->value.length;
-	memcpy(buffer + cur++, "\n", 1);
+	buffer[cur++] = '\n';
 
 	return cur;
 }
@@ -33,7 +33,7 @@ PSYC_RenderRC PSYC_render(PSYC_Packet *packet, char *buffer, size_t buflen)
 	if (packet->flag == PSYC_PACKET_NEED_LENGTH)
 		cur += sprintf(buffer + cur, "%ld", packet->contentLength);
 
-	memcpy(buffer + cur++, "\n", 1);
+	buffer[cur++] = '\n';
 
 	for (i = 0; i < packet->entity.length; i++)
 		cur += PSYC_renderModifier(&packet->entity.ptr[i], buffer + cur);