diff --git a/Notebooks/Artifacts.ipynb b/Notebooks/Artifacts.ipynb
index 2926d8c..6da6fcb 100644
--- a/Notebooks/Artifacts.ipynb
+++ b/Notebooks/Artifacts.ipynb
@@ -44,7 +44,7 @@
     "## Introduction\n",
     "\n",
     "Many of the artifacts that occur in MRI can be understood and analyzed using the k-space perspective.  In particular, they can be understood as the k-space data being modified by some function.  This is described mathematically in \n",
-    "[MRI Signal Equation and K-psace - K-space Data Weighting](MRI%20Signal%20Equation#k-space-data-weighting)"
+    "[MRI Signal Equation and K-space](./MRI%20Signal%20Equation.ipynb) in the K-space Data Weighting section."
    ]
   },
   {
diff --git a/Notebooks/MRI System.ipynb b/Notebooks/MRI System.ipynb
index ed0bc3a..a844493 100644
--- a/Notebooks/MRI System.ipynb	
+++ b/Notebooks/MRI System.ipynb	
@@ -122,7 +122,7 @@
     "   * Components required: transmit RF coil, $B_1^+(\\vec{r},t)$\n",
     "1. Acquisition: Detect the changing magnetic field RF energy from excited spins\n",
     "   * Components required: receive RF coil, $B_1^-(\\vec{r},t)$\n",
-    "1. Spatial Encoding: Create spatial variations in the magnetic field to distinguish spins at different locations \n",
+    "1. Spatial Encoding: Create spatial variations in the magnetic field to distinguish spins at different locations.  This can occur during excitation and acquisition.\n",
     "   * Components required: Magnetic field gradient coils, $\\vec{G}(t)$\n",
     "1. Repeat Excitation, acquisition, and encoding as needed to acquire enough data to form an image\n",
     "\n",