diff --git a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/.buildinfo b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/.buildinfo
index 17cf1d7b0..5c0a64b00 100644
--- a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/.buildinfo
+++ b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/.buildinfo
@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file records the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: fe817b8ae9ec9fe845785e22f5756e04
+config: 5955fe2fdeee66c13afc99516fd02dcf
 tags: 62a1e7829a13fc7881b6498c52484ec0
diff --git a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/esp-idf_espnow_rc-car.pdf b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/esp-idf_espnow_rc-car.pdf
index e286c31c1..311a098ce 100644
Binary files a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/esp-idf_espnow_rc-car.pdf and b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/esp-idf_espnow_rc-car.pdf differ
diff --git a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/index.html b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/index.html
index d1bcea025..776796876 100644
--- a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/index.html
+++ b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/index.html
@@ -76,8 +76,8 @@
          </a>
         </li>
         <li class="toctree-l2">
-         <a class="reference internal" href="#fusion-of-software-hardware">
-          Fusion of Software &amp; Hardware
+         <a class="reference internal" href="#fusion-of-software-with-hardware">
+          Fusion of Software with Hardware
          </a>
         </li>
         <li class="toctree-l2">
@@ -424,10 +424,10 @@ Changing PWM on each channel determines the speed and direction of the RC car.
            </table>
           </section>
          </section>
-         <section id="fusion-of-software-hardware">
+         <section id="fusion-of-software-with-hardware">
           <h3>
-           Fusion of Software &amp; Hardware
-           <a class="headerlink" href="#fusion-of-software-hardware" title="Link to this heading">
+           Fusion of Software with Hardware
+           <a class="headerlink" href="#fusion-of-software-with-hardware" title="Link to this heading">
             &para;
            </a>
           </h3>