Fix cross-references

src/ai_cli.5

@@ -16,7 +16,7 @@ section of library's manual page.
 
 .SH DESCRIPTION
 Configuration files are searched and loaded in the order specified in
-.BR ai_cli (5).
+.BR ai_cli (7).
 Entries in configuration files read later can override previous ones.
 All entries can be overridden by supplying to a program's invocation
 an environment variable named
@@ -70,7 +70,7 @@ It can be used when vi key bindings are in effect.
 .RS 4
 The Emacs key sequence on which the AI help is bound.
 It is specified using
-.BR readline (5)
+.BR readline (3)
 format.
 It can be used when Emacs key bindings are in effect.
 .RE
@@ -255,10 +255,10 @@ assistant-2 = date
 
 .SH FILES
 The names and order of configuration files are documented in
-.BR ai_cli (5).
+.BR ai_cli (7).
 
 .SH SEE ALSO
-.BR ai_cli (5).
+.BR ai_cli (7).
 
 .SH AUTHOR
 Diomidis Spinellis ([email protected])