Update title of 0_introduction.ipynb

Co-authored-by: Amy Steiker <[email protected]>

Author: trey-stafford

docs/notebooks/0_introduction.ipynb

@@ -7,7 +7,7 @@
     "<center>\n",
     "<img src='./img/nsidc_logo.png'/>\n",
     "\n",
-    "# Altimetry Data at NSIDC\n",
+    "# Altimetry Data at the NSIDC DAAC\n",
     "#### Point Cloud Data Overview\n",
     "</center>\n",
     "\n",