diff --git a/studies/db/go_rewrite/notebooks/images/UGPC_IcySD.pdf b/studies/db/go_rewrite/notebooks/images/IgpTD_IcySD.pdf
similarity index 100%
rename from studies/db/go_rewrite/notebooks/images/UGPC_IcySD.pdf
rename to studies/db/go_rewrite/notebooks/images/IgpTD_IcySD.pdf
diff --git a/studies/db/go_rewrite/notebooks/studies_charts_noise.ipynb b/studies/db/go_rewrite/notebooks/studies_charts_noise.ipynb
index 6d09676f..960f454a 100644
--- a/studies/db/go_rewrite/notebooks/studies_charts_noise.ipynb
+++ b/studies/db/go_rewrite/notebooks/studies_charts_noise.ipynb
@@ -151,7 +151,7 @@
     "    # the scatter plot:\n",
     "    hex_ax = ax.hexbin(x, y, gridsize=400, bins=\"log\", cmap='Purples')\n",
     "    ax.set_xlabel(\"Median IcySD (s)\")\n",
-    "    ax.set_ylabel(\"UGPC\")\n",
+    "    ax.set_ylabel(\"IgpTD\")\n",
     "    ax.set_ylim(0, 1)\n",
     "    ax.set_xlim(0, 150)\n",
     "    ax.axvspan(70, 80, color='red', alpha=0.2)\n",
@@ -206,7 +206,7 @@
     "# Draw the scatter plot and marginals.\n",
     "scatter_hist(distances, noise, ax, ax_histx, ax_histy, ax_cbar, fig)\n",
     "\n",
-    "fig.savefig(\"images/UGPC_IcySD.pdf\", bbox_inches='tight')\n",
+    "fig.savefig(\"images/IgpTD_IcySD.pdf\", bbox_inches='tight')\n",
     "\n"
    ]
   }