diff --git a/sources/03c dNBR.ipynb b/sources/03c dNBR.ipynb
index 6f9b3fb..ea0c20a 100644
--- a/sources/03c dNBR.ipynb	
+++ b/sources/03c dNBR.ipynb	
@@ -204,7 +204,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "#### NBR plots\n",
+    "#### NBR Plots\n",
     "\n",
     "We plot the NBR values for all dates side by side to get a first visual impression of changes that have occurred."
    ]
@@ -310,7 +310,7 @@
     "[^nir]: Near Infra-Red\n",
     "[^swir]: Short-wave Infra-Red\n",
     "\n",
-    "### dNBR calculation\n",
+    "#### dNBR Calculation\n",
     "\n",
     "In order to calculate ${\\Delta}$NBR, the NBR after the fire is sutracted from the NBR before the fire.\n",
     "Reminder:\n",
@@ -593,7 +593,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "#### NBR comparison\n",
+    "#### NBR Plots\n",
     "\n",
     "The three NBR values are again plotted side by side.\n",
     "The red line marks the boundary of the town of Jüterbog as retrieved from OpenStreetMap."
@@ -628,7 +628,7 @@
     "The plot on the right contains grey spots covering the area, which are clouds that block the view to the ground.\n",
     "The ${\\Delta}$NBR is calculated using the left and middle images.\n",
     "\n",
-    "#### dNBR calculation"
+    "#### dNBR Calculation"
    ]
   },
   {
@@ -967,6 +967,8 @@
    "source": [
     "### Lübtheen 2019\n",
     "\n",
+    "#### True-Color Plots\n",
+    "\n",
     "The fire in Lübtheen in July 2019 is interesting because there was a flyover of Sentinel-2 while the fire was active and burning, which\n",
     "ESA used to publish an animation of the burning fire:\n",
     "\n",
@@ -1050,7 +1052,9 @@
     "Looking at these true-color image we can see that on June 29 and July 26 we get a very clear view of the area.\n",
     "We can also see that there is a lot of vegetation change that is likely not related to the fire, visible when comparing the top and bottom-left parts of the images.\n",
     "\n",
-    "This vegetation change is likely also reflected in the NBR and $\\Delta$NBR values."
+    "This vegetation change is likely also reflected in the NBR and $\\Delta$NBR values.\n",
+    "\n",
+    "#### NBR Plots"
    ]
   },
   {
@@ -1104,7 +1108,9 @@
    "source": [
     "The NBR rendering of the active fire again contains clouds as almost monotonous gray patches scattered across the image.\n",
     "\n",
-    "The images overall appear noisier than the previous two, making it harder to make out a clear spot to isolate."
+    "The images overall appear noisier than the previous two, making it harder to make out a clear spot to isolate.\n",
+    "\n",
+    "#### dNBR Calculation"
    ]
   },
   {