(Lisp Eval): Avoid makeinfo warning about colons in indices.

diff --git a/man/building.texi b/man/building.texi
index 797ac2daa819332d23e4428866612c654cf3138e..08f9c8a41f066d6be663f307c73eedf403c23ac2 100644 (file)
--- a/man/building.texi
+++ b/man/building.texi
@@ -714,7 +714,7 @@ Evaluate all the Lisp expressions in the region.
 Evaluate all the Lisp expressions in the buffer.
 @end table
 
-@kindex M-:
+@kindex M-@key{colon}
 @findex eval-expression
   @kbd{M-:} (@code{eval-expression}) is the most basic command for evaluating
 a Lisp expression interactively.  It reads the expression using the