diff --git a/README.md b/README.md
index 2c36d3c..68684ab 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 ### Look up Icelandic street addresses, postcodes and placenames
 
-`iceaddr` is a Python >=3.8 package to look up information about Icelandic streets, addresses, placenames,
+`iceaddr` is a pure Python >=3.8 package to look up information about Icelandic streets, addresses, placenames,
 landmarks, locations and postcodes. The underlying data is contained in a local SQLite database assembled
 from the following sources:
 
diff --git a/TODO.txt b/TODO.txt
index 0a1552a..91befaf 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -13,3 +13,4 @@ TODO for iceaddr
 * nearest_* functions should also return distance of location
 * Add MANNVIRKI gpkg data from LMÍ?
 * Canonical address formatting utility function?
+* Tests should make sure that no entry in stadfangaskra has a postcode we're not familiar with
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