diff --git a/README.md b/README.md
index 3fe8212..b030d0a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 # InputArgs
-A sublime text plugin to send custom input arguments when building using 'ctrl + b'. View a program output with custom arguments from within sublime text.
-
+A sublime text plugin to send custom input arguments when building using 'ctrl + b'. View a program output with custom arguments from within sublime text (see http://stackoverflow.com/questions/16490889/build-and-run-with-arguments-in-sublime-text-2 for discussion and alternatives).
 
 ##Installing
 
@@ -34,4 +33,17 @@ Standard sublime text build system commands.
 
 Use "ctrl+b" to run the build system and an input dialog will ask for arguments.
 
-New Build Systems can be added through "Tools>Build System>New Build System".
\ No newline at end of file
+New build systems can be added through "Tools>Build System>New Build System".
+
+If you'd rather not override your build system and instead would prefer to customize it, you can use the `target` option and change the name of the plugin command from `ExecCommand`; e.g., `InputArgsCommand` would match the target option `input_args` as shown in the below example:
+
+### Example build system
+```
+{
+  "shell_cmd" : ["make $file_base_name && ./$file_base_name"],
+  "selector" : "source.c",
+  "shell": true,
+  "target": "input_args",
+  "working_dir" : "$file_path",
+}
+```
\ No newline at end of file
diff --git a/exec.py b/exec.py
index 209c2d6..e8e1ded 100644
--- a/exec.py
+++ b/exec.py
@@ -137,7 +137,8 @@ def run(self, cmd = None, shell_cmd = None, file_regex = "", line_regex = "", wo
             word_wrap = True, syntax = "Packages/Text/Plain text.tmLanguage",
             # Catches "path" and "shell"
             **kwargs):
-        self.sl = kwargs
+
+        shell_cmd = ''.join(shell_cmd)
         # clear the text_queue
         self.text_queue_lock.acquire()
         self.truth = False
@@ -241,7 +242,7 @@ def fun(self, cmd, shell_cmd, merged_env, ss):
         try:
             # Forward kwargs to AsyncProcess
             
-            self.proc = AsyncProcess(cmd, shell_cmd, merged_env, self, self.sl)
+            self.proc = AsyncProcess(cmd, shell_cmd, merged_env, self)
             
             self.text_queue_lock.acquire()
             try: