diff --git a/man3/tgamma.3 b/man3/tgamma.3
index ae3f24ece..5cd58f251 100644
--- a/man3/tgamma.3
+++ b/man3/tgamma.3
@@ -203,7 +203,6 @@ the glibc implementation of these functions did not set
 to
 .B ERANGE
 on an underflow range error.
-.I x
 .PP
 .\"
 In glibc versions 2.3.3 and earlier,