1 files changed, 2 insertions, 2 deletions
diff --git a/BUGS b/BUGS
index 7066983b0..ed336a4d2 100644
--- a/BUGS
+++ b/BUGS
@@ -41,8 +41,8 @@ Known bugs:
 * Some functions do not use MPFR_SAVE_EXPO_* macros, thus do not behave
   correctly in a reduced exponent range.
 
-* On x86_64, tacos segfaults (because of lack of memory?) or loops
-  for acos(1e-1073741823).
+* The mpfr_acos function fails or is very inefficient (very slow and
+  takes a lot of memory) on tiny arguments.
 
 Potential bugs: