Adding in comments to match example code

ex10.c

@@ -4,10 +4,13 @@ int main(int argc, char *argv[])
 {
     int i = 0;
 
+    // go through each string in argv
+    // why am I skipping argv[0]?
     for(i = 0; i < argc; i++) {
         printf("arg %d: %s\n", i, argv[i]);
     }
 
+    // let's make our own array of strings
     char *states[] = {
         "California", "Oregon",
         "Washington", "Texas"