Updated runtime files.

runtime/indent/cdl.vim

@@ -16,7 +16,7 @@ if exists("*CdlGetIndent")
     "finish
 endif
 
-" find out if an "...=..." expresion its an asignment (or a conditional)
+" find out if an "...=..." expresion is an assignment (or a conditional)
 " it scans 'line' first, and then the previos lines
 fun! CdlAsignment(lnum, line)
   let f = -1

runtime/indent/html.vim

@@ -749,7 +749,7 @@ func! s:CssPrevNonComment(lnum, stopline)
   while 1
     let ccol = match(getline(lnum), '\*/')
     if ccol < 0
-      " No comment end thus its something else.
+      " No comment end thus it's something else.
       return lnum
     endif
     call cursor(lnum, ccol + 1)