fix typo, it's -hom not -hem

docs/docs.md

@@ -264,7 +264,7 @@ You may use long, descriptive arguments or the shorter arguments.
 `-vem, --vertical-margin margin`
 :   Set the vertical margin
 
-`-hem, --horizontal-margin margin`
+`-hom, --horizontal-margin margin`
 :   Set the horizontal margin
 
 `-lp, --vertical-padding padding`

libs/argv.c

@@ -504,7 +504,7 @@ usage(void)
 		  "spmenu -lp,      --vertical-padding <padding>                Set the vertical padding\n"
 		  "spmenu -hp,      --horizontal-padding <padding>              Set the horizontal padding\n"
           "spmenu -vem,     --vertical-margin <margin>                  Set the vertical margin\n"
-          "spmenu -hem,     --horizontal-margin <margin>                Set the horizontal margin\n"
+          "spmenu -hom,     --horizontal-margin <margin>                Set the horizontal margin\n"
           "spmenu -la,      --left-arrow-symbol <symbol>                Set the left arrow to <symbol>\n"
           "spmenu -ra,      --right-arrow-symbol <symbol>               Set the right arrow to <symbol>\n"
           "spmenu -is,      --image-size <size>                         Image size\n"

spmenu.1

@@ -285,7 +285,7 @@ Set text padding to padding
 \f[V]-vem, --vertical-margin margin\f[R]
 Set the vertical margin
 .TP
-\f[V]-hem, --horizontal-margin margin\f[R]
+\f[V]-hom, --horizontal-margin margin\f[R]
 Set the horizontal margin
 .TP
 \f[V]-lp, --vertical-padding padding\f[R]

spmenu.html

@@ -503,7 +503,7 @@ Set text padding to padding
 <dd>
 Set the vertical margin
 </dd>
-<dt><code>-hem, --horizontal-margin margin</code></dt>
+<dt><code>-hom, --horizontal-margin margin</code></dt>
 <dd>
 Set the horizontal margin
 </dd>