diff --git a/man3/expm1.3 b/man3/expm1.3
index 54b0315d3..2d3bef375 100644
--- a/man3/expm1.3
+++ b/man3/expm1.3
@@ -154,7 +154,7 @@ on certain architectures (e.g., x86, but not x86_64)
 raised a bogus underflow floating-point exception
 for some large negative
 .I x
-values (where the function result approaches \-1),
+values (where the function result approaches \-1).
 .PP
 Before approximately glibc version 2.11,
 .\" http://sources.redhat.com/bugzilla/show_bug.cgi?id=6814