diff --git a/libavutil/avstring.h b/libavutil/avstring.h
index e260263763..9b187e8d92 100644
--- a/libavutil/avstring.h
+++ b/libavutil/avstring.h
@@ -265,7 +265,7 @@ int av_strncasecmp(const char *a, const char *b, size_t n);
 
 /**
  * Locale-independent strings replace.
- * @note This means only ASCII-range characters are replace
+ * @note This means only ASCII-range characters are replaced.
  */
 char *av_strireplace(const char *str, const char *from, const char *to);