Fix typo in comment.

Change-Id: I67a012a54a2818ec12c1829a746e2d7f796616d6
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/40924
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
diff --git a/crypto/fipsmodule/ec/ec_montgomery.c b/crypto/fipsmodule/ec/ec_montgomery.c
index 77afcfc..233de7f 100644
--- a/crypto/fipsmodule/ec/ec_montgomery.c
+++ b/crypto/fipsmodule/ec/ec_montgomery.c
@@ -182,7 +182,7 @@
     return 0;
   }
 
-  // Transform (X, Y, Z  into (x, y) := (X/Z^2, Y/Z^3). Note the check above
+  // Transform (X, Y, Z) into (x, y) := (X/Z^2, Y/Z^3). Note the check above
   // ensures |point->Z| is non-zero, so the inverse always exists.
   EC_FELEM z1, z2;
   ec_GFp_mont_felem_inv0(group, &z2, &point->Z);