perl-packages: fix typo in comment (#26819)

hectorj · Mic92 · commit 6bb5e991abe0 · 2017-06-24T16:25:19.000+01:00
diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
@@ -3,7 +3,7 @@
    them.  Also, because most Nix expressions for CPAN packages are
    trivial, most are actually defined here.  I.e. there's no function
    for each package in a separate file: the call to the function would
-   be almost as must code as the function itself. */
+   be almost as much code as the function itself. */
 
 {pkgs, overrides}:
 
