Tiny documentation fix for EC_POINT_set_affine_coordinates_GFp

Change-Id: Icfd9986272f6e1adba54aa7521c28901fa02dfb7
Reviewed-on: https://boringssl-review.googlesource.com/7470
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/include/openssl/ec.h b/include/openssl/ec.h
index 5aff728..23196fa 100644
--- a/include/openssl/ec.h
+++ b/include/openssl/ec.h
@@ -221,10 +221,10 @@
                                                        BIGNUM *x, BIGNUM *y,
                                                        BN_CTX *ctx);
 
-/* EC_POINT_set_affine_coordinates_GFp sets the value of |p| to be (|x|, |y|).
- * The |ctx| argument may be used if not NULL. It returns one on success or
- * zero on error. Note that, unlike with OpenSSL, it's considered an error if
- * the point is not on the curve. */
+/* EC_POINT_set_affine_coordinates_GFp sets the value of |point| to be
+ * (|x|, |y|). The |ctx| argument may be used if not NULL. It returns one
+ * on success or zero on error. Note that, unlike with OpenSSL, it's
+ * considered an error if the point is not on the curve. */
 OPENSSL_EXPORT int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group,
                                                        EC_POINT *point,
                                                        const BIGNUM *x,