diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -4,30 +4,30 @@
 [![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort/)
 [![Downloads](https://img.shields.io/pypi/dm/hdx-python-country.svg)](https://pypistats.org/packages/hdx-python-country)
 
-The HDX Python Country Library provides utilities to map between country and region 
+The HDX Python Country Library provides utilities to map between country and region
 codes and names and to match administrative level names from different sources.
-It also provides utilities for foreign exchange enabling obtaining current and historic 
+It also provides utilities for foreign exchange enabling obtaining current and historic
 FX rates for different currencies.
 
-It provides country mappings including ISO 2 and ISO 3 letter codes (ISO 3166) and regions 
-using live official data from the [UN OCHA](https://vocabulary.unocha.org/) feed with 
-fallbacks to an internal static file if there is any problem with retrieving data from 
+It provides country mappings including ISO 2 and ISO 3 letter codes (ISO 3166) and regions
+using live official data from the [UN OCHA](https://vocabulary.unocha.org/) feed with
+fallbacks to an internal static file if there is any problem with retrieving data from
 the url. (Also it is possible to force the use of the internal static files.)
 
-It can exact match English, French, Spanish, Russian, Chinese and Arabic. There is a 
-fuzzy matching for English look up that can handle abbreviations in country names like 
+It can exact match English, French, Spanish, Russian, Chinese and Arabic. There is a
+fuzzy matching for English look up that can handle abbreviations in country names like
 Dem. for Democratic and Rep. for Republic.
 
-Mapping administration level names from a source to a given base set is also handled 
-including phonetic fuzzy name matching.  
+Mapping administration level names from a source to a given base set is also handled
+including phonetic fuzzy name matching.
 
-It also provides foreign exchange rates and conversion from amounts in local currency to 
-USD and vice-versa. The conversion relies on Yahoo Finance, falling back on 
-exchangerate.host for current rates, and Yahoo Finance falling back on IMF data via IATI 
-for historic rates. 
+It also provides foreign exchange rates and conversion from amounts in local currency to
+USD and vice-versa. The conversion relies on Yahoo Finance, falling back on
+https://github.com/fawazahmed0/currency-api for current rates, and Yahoo Finance falling back on IMF data via IATI
+for historic rates.
 
-For more information, please read the [documentation](https://hdx-python-country.readthedocs.io/en/latest/). 
+For more information, please read the [documentation](https://hdx-python-country.readthedocs.io/en/latest/).
 
-This library is part of the [Humanitarian Data Exchange](https://data.humdata.org/) 
-(HDX) project. If you have humanitarian related data, please upload your datasets to 
+This library is part of the [Humanitarian Data Exchange](https://data.humdata.org/)
+(HDX) project. If you have humanitarian related data, please upload your datasets to
 HDX.