add alternate weight initialization strategy

Author: cezannec

sentiment-analysis-network/Sentiment_Classification_Projects.ipynb

@@ -496,9 +496,7 @@
   {
    "cell_type": "code",
    "execution_count": 1,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -1075,7 +1073,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "With a learning rate of `0.001`, the network should finall have started to improve during training. It's still not very good, but it shows that this solution has potential. We will improve it in the next lesson."
+    "With a learning rate of `0.001`, the network should finally have started to improve during training. It's still not very good, but it shows that this solution has potential. We will improve it in the next lesson."
    ]
   },
   {
@@ -1886,7 +1884,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.6.4"
   }
  },
  "nbformat": 4,