diff --git a/lib/libm/common_source/ceil.3 b/lib/libm/common_source/ceil.3
index 4bc02ba22ce..e6ce835a6e6 100644
--- a/lib/libm/common_source/ceil.3
+++ b/lib/libm/common_source/ceil.3
@@ -57,7 +57,7 @@ expressed as a double.
 .Xr floor 3 ,
 .Xr rint 3 ,
 .Xr ieee 3 ,
-.Xr math.3
+.Xr math 3 .
 .Sh STANDARDS
 The
 .Fn ceil
diff --git a/lib/libm/common_source/fabs.3 b/lib/libm/common_source/fabs.3
index e4cf0f6e59f..c03bd2cdef5 100644
--- a/lib/libm/common_source/fabs.3
+++ b/lib/libm/common_source/fabs.3
@@ -58,7 +58,7 @@ function returns the absolute value of
 .Xr floor 3 ,
 .Xr rint 3 ,
 .Xr ieee 3 ,
-.Xr math.3
+.Xr math 3 .
 .Sh STANDARDS
 The
 .Fn fabs