zsh: fix help / descriptions

* --load-average
* --gdb-path
* description for install

Found by https://www.check-spelling.dev/

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

data/shell-completions/zsh/_meson

@@ -74,7 +74,7 @@ local -a meson_commands=(
 'configure:configure a project'
 'dist:generate release archive'
 'init:create a new project'
-'install:install one more more targets'
+'install:install one or more targets'
 'introspect:query project properties'
 'setup:set up a build directory'
 'test:run tests'
@@ -180,7 +180,7 @@ local -a meson_commands=(
   '--repeat[number of times to run the tests]:number of times to repeat: '
   '--no-rebuild[do not rebuild before running tests]'
   '--gdb[run tests under gdb]'
-  '--gdb-path=[program to run for gdb (can be wrapper or compaitble program)]:program:_path_commands'
+  '--gdb-path=[program to run for gdb (can be wrapper or compatible program)]:program:_path_commands'
   '--list[list available tests]'
   '(--wrapper --wrap)'{'--wrapper=','--wrap='}'[wrapper to run tests with]:wrapper program:_path_commands'
   "$__meson_cd"
@@ -391,7 +391,7 @@ _arguments \
     "$__meson_cd"
     '--clean[Clean the build directory]'
     '(-j --jobs)'{'-j','--jobs'}'=[the number fo work jobs to run (if supported)]:_guard "[0-9]#" "number of jobs"'
-    '(-l --load-averate)'{'-l','--load-average'}'=[the system load average to try to maintain (if supported)]:_guard "[0-9]#" "load average"'
+    '(-l --load-average)'{'-l','--load-average'}'=[the system load average to try to maintain (if supported)]:_guard "[0-9]#" "load average"'
     '(-v --verbose)'{'-v','--verbose'}'[Show more output]'
     '--ninja-args=[Arguments to pass to ninja (only when using ninja)]'
     '--vs-args=[Arguments to pass to vs (only when using msbuild)]'