diff --git a/src/subcmds/add.c b/src/subcmds/add.c
index 8595be7..07e9cb2 100644
--- a/src/subcmds/add.c
+++ b/src/subcmds/add.c
@@ -6,7 +6,12 @@
 #include "../file_io.h"
 
 bool add_cmd(Cli *cli) {
+    // Initialize structures and validate inputs
     struct Add a = cli->cmd.add;
+    if (!a.command) {
+        printf("Error invalid args: must provide command to alias.\n");
+        return false;
+    }
     HashTable *ht;
     create_hash_table(&ht, INITIAL_CAPACITY, LOAD_FACTOR);
     Entry *entry;
diff --git a/src/subcmds/remove.c b/src/subcmds/remove.c
index d234f8f..9eaa1b5 100644
--- a/src/subcmds/remove.c
+++ b/src/subcmds/remove.c
@@ -6,19 +6,22 @@
 #include <unistd.h>
 
 bool remove_cmd(Cli *cli) {
-    // Initialize structures and variables
+    // Initialize structures and validate inputs
     struct Remove r = cli->cmd.remove;
+    if (!r.aliases) {
+        printf("No %s provided.\n", r.recursive ? "section" : "alias"); 
+    }
     HashTable *ht;
     create_hash_table(&ht, INITIAL_CAPACITY, LOAD_FACTOR);
     Entry *entry;
 
+    // Pick the alias file name ('.env' if 'a.local', else '~/.aliases')
     const char *alias_fname = (r.local) ? AUTOENV_FNAME : ALIAS_FNAME;
     // Make sure the alias file exists
     if (access(alias_fname, F_OK) == -1) {
         FILE *f = fopen(alias_fname, "w"); 
         fclose(f);
     }
-    // Open the correct alias file ('.env' if 'a.local', else '~/.aliases')
     FILE *alias_f = fopen(alias_fname, "r");
     if (!alias_f)
         return cleanup("Error: aliases file not found: %s\n", alias_fname, ht, 0, 0);
@@ -70,6 +73,5 @@ bool remove_cmd(Cli *cli) {
         perror("Error renaming file.\n");
         return false;
     }
-    // Cleanup cli
     return true;
 }