diff --git a/xmlstring.c b/xmlstring.c
index 4994a198..4f3b3739 100644
--- a/xmlstring.c
+++ b/xmlstring.c
@@ -147,7 +147,7 @@ xmlStrcmp(const xmlChar *str1, const xmlChar *str2) {
  * @str1:  the first xmlChar *
  * @str2:  the second xmlChar *
  *
- * Check if both string are equal of have same content
+ * Check if both strings are equal of have same content.
  * Should be a bit more readable and faster than xmlStrcmp()
  *
  * Returns 1 if they are equal, 0 if they are different