Better documentation for 'multires' expressions

Manual has a new section explaining multires expressions, lists of
expressions, and adjustments. This commit also corrects some comments
in the code.

1 files changed, 1 insertions, 1 deletions

diff --git a/lfunc.c b/lfunc.c
index 3ed65de2..daba0abf 100644
--- a/lfunc.c
+++ b/lfunc.c
@@ -209,7 +209,7 @@ void luaF_closeupval (lua_State *L, StkId level) {
 
 
 /*
-** Remove firt element from the tbclist plus its dummy nodes.
+** Remove first element from the tbclist plus its dummy nodes.
 */
 static void poptbclist (lua_State *L) {
   StkId tbc = L->tbclist;