diff --git a/care/1_convert-tpm-hugo.ipynb b/care/1_convert-tpm-hugo.ipynb
index c8570bc..dcf83f2 100644
--- a/care/1_convert-tpm-hugo.ipynb
+++ b/care/1_convert-tpm-hugo.ipynb
@@ -14,7 +14,7 @@
     "\n",
     "Changelog:\n",
     "2018-05-02 : Sum the TMP values, rather than take the mean, of combined duplicate genes See issue #130.\n",
-    "2017-12-05 : Average genes together in TPM space, not log2 TPM space; the latter is incorrect.\n",
+    "2017-12-05 : Average genes together in TPM space, not log2 TPM space; the latter is incorrect. (later changed to summing genes)\n",
     "\n",
     "Input : \n",
     " - conf.json\n",
@@ -40,7 +40,7 @@
     "- TPM column extracted\n",
     "- ensembl genes translated to hugo\n",
     " -  File written as rsem.genes.tpm.hugo.tab\n",
-    "- hugo genes averaged and uniqued in TPM space\n",
+    "- hugo genes summed and uniqued in TPM space\n",
     "- log2(n+1) normalization applied\n",
     "  - File written as rsem.genes.tpm.hugo.log2plus1.dedupe.tab\n"
    ]
@@ -140,7 +140,7 @@
     "# Takes : dataframe of TPM columns\n",
     "# returns : dataframe. \n",
     "    # finds all row labels that are duplicate\n",
-    "    # averages their values together to create an unique row label\n",
+    "    # sum their values together to create an unique row label\n",
     "def uniquify_genes(exp):\n",
     "    return exp.groupby(exp.index).sum()"
    ]