diff --git a/demo_spectrogram.ipynb b/demo_spectrogram.ipynb
index e3d67a8..86897e9 100644
--- a/demo_spectrogram.ipynb
+++ b/demo_spectrogram.ipynb
@@ -6,7 +6,7 @@
    "metadata": {},
    "source": [
     "# Sonification of Spectograms\n",
-    "Within this notebook, we explain how ```libsoni.core.spectrum``` can be used to sonify spectrograms."
+    "Within this notebook, we explain how ```libsoni.core.spectrogram``` can be used to sonify spectrograms."
    ]
   },
   {
@@ -41,7 +41,7 @@
    "metadata": {},
    "source": [
     "## Simple Scenario\n",
-    "To make the use of the module ```libsoni.core.spectrum``` clear with a simple example, let's first assume a spectogram like an image. The vertical axis is attributed to frequency in conventional formats, while the horizontal axis represents time. Let's say we want to create an image for a C major scale. For this we need a frequency axis that keeps the frequencies of the notes of a C major scale"
+    "To make the use of the module ```libsoni.core.spectrogram``` clear with a simple example, let's first assume a spectogram like an image. The vertical axis is attributed to frequency in conventional formats, while the horizontal axis represents time. Let's say we want to create an image for a C major scale. For this we need a frequency axis that keeps the frequencies of the notes of a C major scale"
    ]
   },
   {