Fix typo

2.2-topic-modeling/Latent_dirichlet_allocation.ipynb

@@ -379,7 +379,7 @@
    "source": [
     "## Step 3.2: TF-IDF on our document set ##\n",
     "\n",
-    "While performing TF-IDF on the corpus is not necessary for LDA implemention using the gensim model, it is recemmended. TF-IDF expects a bag-of-words (integer values) training corpus during initialization. During transformation, it will take a vector and return another vector of the same dimensionality.\n",
+    "While performing TF-IDF on the corpus is not necessary for LDA implemention using the gensim model, it is recommended. TF-IDF expects a bag-of-words (integer values) training corpus during initialization. During transformation, it will take a vector and return another vector of the same dimensionality.\n",
     "\n",
     "*Please note: The author of Gensim dictates the standard procedure for LDA to be using the Bag of Words model.*"
    ]
@@ -728,7 +728,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.1"
+   "version": "3.7.3"
   }
  },
  "nbformat": 4,