diff --git a/include/tinycrypt/ecc.h b/include/tinycrypt/ecc.h
index 9a705c4..0d1d9ec 100644
--- a/include/tinycrypt/ecc.h
+++ b/include/tinycrypt/ecc.h
@@ -422,7 +422,7 @@
  * @param left IN -- left term in comparison
  * @param right IN -- right term in comparison
  * @param num_words IN -- number of words
- * @return Returns 0 if left == right, 1 otherwise.
+ * @return Returns 0 if left == right, non-zero otherwise.
  */
 uECC_word_t uECC_vli_equal(const uECC_word_t *left, const uECC_word_t *right);