diff --git a/Doc/copyright.tex b/Doc/copyright.tex
index 9f26324dd73..7a24c2d0286 100644
--- a/Doc/copyright.tex
+++ b/Doc/copyright.tex
@@ -17,7 +17,7 @@ permission.
 
 While CWI is the initial source for this software, a modified version
 is made available by the Corporation for National Research Initiatives
-(CNRI) at the Internet address ftp://ftp.python.org.
+(CNRI) at the Internet address \url{ftp://ftp.python.org}.
 
 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
diff --git a/Doc/texinputs/copyright.tex b/Doc/texinputs/copyright.tex
index 9f26324dd73..7a24c2d0286 100644
--- a/Doc/texinputs/copyright.tex
+++ b/Doc/texinputs/copyright.tex
@@ -17,7 +17,7 @@ permission.
 
 While CWI is the initial source for this software, a modified version
 is made available by the Corporation for National Research Initiatives
-(CNRI) at the Internet address ftp://ftp.python.org.
+(CNRI) at the Internet address \url{ftp://ftp.python.org}.
 
 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF