runtime(doc): link cmdline completion to to |wildcards| and fix typos (#13636)

The docs for cmdline completion doesn't mention that [abc] is considered
a wildcard, and |wildcards| contains more detailed information, so just
link to it.

Also fix some typos in other help files.

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index efaf044..5d61035 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 9.0.  Last change: 2023 Dec 7
+*eval.txt*	For Vim version 9.0.  Last change: 2023 Dec 09
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -4828,7 +4828,7 @@
 specific filetypes by setting the "<filetype>_exec" variable (|plugin_exec|).
 
 It returns |true| or |false| to indicate whether the plugin should run the given
-exectuable.  It takes the following arguments:
+executable.  It takes the following arguments:
 
 	argument	type ~