diff --git a/stacks_queues/stack_min/stack_min_challenge.ipynb b/stacks_queues/stack_min/stack_min_challenge.ipynb
index 48c6065..4ea2dc1 100644
--- a/stacks_queues/stack_min/stack_min_challenge.ipynb
+++ b/stacks_queues/stack_min/stack_min_challenge.ipynb
@@ -103,7 +103,7 @@
     "        # TODO: Implement me\n",
     "        pass\n",
     "\n",
-    "    def min(self):\n",
+    "    def minimum(self):\n",
     "        # TODO: Implement me\n",
     "        pass\n",
     "\n",
@@ -146,26 +146,26 @@
     "        stack = StackMin()\n",
     "        stack.push(5)\n",
     "        assert_equal(stack.peek(), 5)\n",
-    "        assert_equal(stack.min(), 5)\n",
+    "        assert_equal(stack.minimum(), 5)\n",
     "        stack.push(1)\n",
     "        assert_equal(stack.peek(), 1)\n",
-    "        assert_equal(stack.min(), 1)\n",
+    "        assert_equal(stack.minimum(), 1)\n",
     "        stack.push(3)\n",
     "        assert_equal(stack.peek(), 3)\n",
-    "        assert_equal(stack.min(), 1)\n",
+    "        assert_equal(stack.minimum(), 1)\n",
     "        stack.push(0)\n",
     "        assert_equal(stack.peek(), 0)\n",
-    "        assert_equal(stack.min(), 0)\n",
+    "        assert_equal(stack.minimum(), 0)\n",
     "\n",
     "        print('Test: Pop on non-empty stack')\n",
     "        assert_equal(stack.pop(), 0)\n",
-    "        assert_equal(stack.min(), 1)\n",
+    "        assert_equal(stack.minimum(), 1)\n",
     "        assert_equal(stack.pop(), 3)\n",
-    "        assert_equal(stack.min(), 1)\n",
+    "        assert_equal(stack.minimum(), 1)\n",
     "        assert_equal(stack.pop(), 1)\n",
-    "        assert_equal(stack.min(), 5)\n",
+    "        assert_equal(stack.minimum(), 5)\n",
     "        assert_equal(stack.pop(), 5)\n",
-    "        assert_equal(stack.min(), sys.maxsize)\n",
+    "        assert_equal(stack.minimum(), sys.maxsize)\n",
     "\n",
     "        print('Test: Pop empty stack')\n",
     "        assert_equal(stack.pop(), None)\n",
diff --git a/stacks_queues/stack_min/stack_min_solution.ipynb b/stacks_queues/stack_min/stack_min_solution.ipynb
index d50a358..6a4e10b 100644
--- a/stacks_queues/stack_min/stack_min_solution.ipynb
+++ b/stacks_queues/stack_min/stack_min_solution.ipynb
@@ -129,23 +129,23 @@
     "\n",
     "    def __init__(self, top=None):\n",
     "        super(StackMin, self).__init__(top)\n",
-    "        self.min_vals = Stack()\n",
+    "        self.stack_of_mins = Stack()\n",
     "\n",
-    "    def min(self):\n",
-    "        if self.min_vals.top is None:\n",
+    "    def minimum(self):\n",
+    "        if self.stack_of_mins.top is None:\n",
     "            return sys.maxsize\n",
     "        else:\n",
-    "            return self.min_vals.peek()\n",
+    "            return self.stack_of_mins.peek()\n",
     "\n",
     "    def push(self, data):\n",
     "        super(StackMin, self).push(data)\n",
-    "        if data < self.min():\n",
-    "            self.min_vals.push(data)\n",
+    "        if data < self.minimum():\n",
+    "            self.stack_of_mins.push(data)\n",
     "\n",
     "    def pop(self):\n",
     "        data = super(StackMin, self).pop()\n",
-    "        if data == self.min():\n",
-    "            self.min_vals.pop()\n",
+    "        if data == self.minimum():\n",
+    "            self.stack_of_mins.pop()\n",
     "        return data"
    ]
   },
@@ -184,26 +184,26 @@
     "        stack = StackMin()\n",
     "        stack.push(5)\n",
     "        assert_equal(stack.peek(), 5)\n",
-    "        assert_equal(stack.min(), 5)\n",
+    "        assert_equal(stack.minimum(), 5)\n",
     "        stack.push(1)\n",
     "        assert_equal(stack.peek(), 1)\n",
-    "        assert_equal(stack.min(), 1)\n",
+    "        assert_equal(stack.minimum(), 1)\n",
     "        stack.push(3)\n",
     "        assert_equal(stack.peek(), 3)\n",
-    "        assert_equal(stack.min(), 1)\n",
+    "        assert_equal(stack.minimum(), 1)\n",
     "        stack.push(0)\n",
     "        assert_equal(stack.peek(), 0)\n",
-    "        assert_equal(stack.min(), 0)\n",
+    "        assert_equal(stack.minimum(), 0)\n",
     "\n",
     "        print('Test: Pop on non-empty stack')\n",
     "        assert_equal(stack.pop(), 0)\n",
-    "        assert_equal(stack.min(), 1)\n",
+    "        assert_equal(stack.minimum(), 1)\n",
     "        assert_equal(stack.pop(), 3)\n",
-    "        assert_equal(stack.min(), 1)\n",
+    "        assert_equal(stack.minimum(), 1)\n",
     "        assert_equal(stack.pop(), 1)\n",
-    "        assert_equal(stack.min(), 5)\n",
+    "        assert_equal(stack.minimum(), 5)\n",
     "        assert_equal(stack.pop(), 5)\n",
-    "        assert_equal(stack.min(), sys.maxsize)\n",
+    "        assert_equal(stack.minimum(), sys.maxsize)\n",
     "\n",
     "        print('Test: Pop empty stack')\n",
     "        assert_equal(stack.pop(), None)\n",
diff --git a/stacks_queues/stack_min/test_stack_min.py b/stacks_queues/stack_min/test_stack_min.py
index 290c898..1fb354d 100644
--- a/stacks_queues/stack_min/test_stack_min.py
+++ b/stacks_queues/stack_min/test_stack_min.py
@@ -8,26 +8,26 @@ class TestStackMin(object):
         stack = StackMin()
         stack.push(5)
         assert_equal(stack.peek(), 5)
-        assert_equal(stack.min(), 5)
+        assert_equal(stack.minimum(), 5)
         stack.push(1)
         assert_equal(stack.peek(), 1)
-        assert_equal(stack.min(), 1)
+        assert_equal(stack.minimum(), 1)
         stack.push(3)
         assert_equal(stack.peek(), 3)
-        assert_equal(stack.min(), 1)
+        assert_equal(stack.minimum(), 1)
         stack.push(0)
         assert_equal(stack.peek(), 0)
-        assert_equal(stack.min(), 0)
+        assert_equal(stack.minimum(), 0)
 
         print('Test: Pop on non-empty stack')
         assert_equal(stack.pop(), 0)
-        assert_equal(stack.min(), 1)
+        assert_equal(stack.minimum(), 1)
         assert_equal(stack.pop(), 3)
-        assert_equal(stack.min(), 1)
+        assert_equal(stack.minimum(), 1)
         assert_equal(stack.pop(), 1)
-        assert_equal(stack.min(), 5)
+        assert_equal(stack.minimum(), 5)
         assert_equal(stack.pop(), 5)
-        assert_equal(stack.min(), sys.maxsize)
+        assert_equal(stack.minimum(), sys.maxsize)
 
         print('Test: Pop empty stack')
         assert_equal(stack.pop(), None)