diff --git a/tour2_constant_bond/2_2_1_PO_configuration_explorer.ipynb b/tour2_constant_bond/2_2_1_PO_configuration_explorer.ipynb
index 389f131810cf2b9349931839bfe9df834d2ab606..c21081cf97596cb17b7f03670ec49d7d0ea49189 100644
--- a/tour2_constant_bond/2_2_1_PO_configuration_explorer.ipynb
+++ b/tour2_constant_bond/2_2_1_PO_configuration_explorer.ipynb
@@ -170,13 +170,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "a6d7ce2cd567493889613d542dad784b",
+       "model_id": "f5911ff13ea44171a1f7f56a39669755",
        "version_major": 2,
        "version_minor": 0
       },
diff --git a/tour4_plastic_bond/4_3_PO_trc_cfrp_cyclic.ipynb b/tour4_plastic_bond/4_3_PO_trc_cfrp_cyclic.ipynb
index 66df7ffd2630fc44ce9f50cbb180852ba7588f92..95c36817ff538551b65d72ca4a5c151ead91341c 100644
--- a/tour4_plastic_bond/4_3_PO_trc_cfrp_cyclic.ipynb
+++ b/tour4_plastic_bond/4_3_PO_trc_cfrp_cyclic.ipynb
@@ -461,9 +461,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "bmcs_env",
+   "display_name": "Python 3",
    "language": "python",
-   "name": "bmcs_env"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -475,7 +475,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.8"
+   "version": "3.8.10"
   },
   "toc": {
    "base_numbering": 1,
diff --git a/tour5_damage_bond/5_1_Introspect_Damage_Evolution_Damage_initiation.ipynb b/tour5_damage_bond/5_1_Introspect_Damage_Evolution_Damage_initiation.ipynb
index 48dfa7cbe36a9a6215e861c35cec9e0578914159..40798f35d7b440a64a442c5671a4438bdcff91db 100644
--- a/tour5_damage_bond/5_1_Introspect_Damage_Evolution_Damage_initiation.ipynb
+++ b/tour5_damage_bond/5_1_Introspect_Damage_Evolution_Damage_initiation.ipynb
@@ -311,7 +311,7 @@
    "metadata": {},
    "source": [
     "With the image of a material structure as a fiber-bundle with linear elastic fiber response and brittle failure we can consider a case with linear distribution of fiber breaking strain. This corresponds to the case with equidistant breaking strain or slip of all springs constituting the material structure\n",
-    "<a id=\"equidistant_breaks\"></a>\n",
+    "\n",
     "$$\\Delta s^\\mathrm{break} = s_{i+1}^\\mathrm{break} - s_i^\\mathrm{break} = \\mathrm{constant}$$"
    ]
   },