diff --git a/SLAM/FastSLAM1/FastSLAM1.ipynb b/SLAM/FastSLAM1/FastSLAM1.ipynb
index 9ce48238..60faed6e 100644
--- a/SLAM/FastSLAM1/FastSLAM1.ipynb
+++ b/SLAM/FastSLAM1/FastSLAM1.ipynb
@@ -93,7 +93,7 @@
    "metadata": {},
    "source": [
     "### 1- Predict\n",
-    "The following equations and code snippets we can see how the particles distribution evolves in case we provide only the control $(v,w)$, which are the linear and angular velocity repsectively. \n",
+    "The following equations and code snippets we can see how the particles distribution evolves in case we provide only the control $(v,w)$, which are the linear and angular velocity respectively. \n",
     "\n",
     "$\\begin{equation*}\n",
     "F=\n",
@@ -668,7 +668,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.1"
+   "version": "3.7.5"
   }
  },
  "nbformat": 4,