diff --git a/man7/man.7 b/man7/man.7
index 7f38260fe..bea0b26fb 100644
--- a/man7/man.7
+++ b/man7/man.7
@@ -97,21 +97,28 @@ version control.
 Dates should be written in the form YYYY-MM-DD.
 .TP
 .I source
-The source of the command.
+The source of the command, function, or system call.
 .sp
-For binaries, use something like:
-.IR GNU ", " NET-2 ", " "SLS Distribution" ", " "MCC Distribution" .
+For those few pages in Sections 1 and 8, probably you just want to write
+.IR GNU .
 .sp
-For system calls, use the version of the kernel that you are currently
-looking at:
-.IR "Linux 0.99.11" .
+For system calls, just write
+.IR "Linux" .
 .sp
-For library calls, use the source of the function:
-.IR "GNU C Library" ", " GNU ", " "4.3BSD" ", " "Linux DLL 4.4.1" .
+For library calls that are part of glibc or one of the 
+other common GNU libraries, just use
+.IR "GNU C Library" ", " GNU ,
+or an empty string.
+.sp
+For section 4 pages, use
+.IR "Linux" .
+.sp
+In cases of doubt, just write
+.IR Linux ", or " GNU .
 .TP
 .I manual
 The title of the manual (e.g., for Section 2 and 3 pages in 
-the \fIman-pages\fI package, use
+the \fIman-pages\fP package, use
 .IR "Linux Programmer's Manual" ).
 .RE
 .PP