diff --git a/README.md b/README.md
index b72158b..1e7f35a 100644
--- a/README.md
+++ b/README.md
@@ -393,8 +393,8 @@ pricehist fetch coindesk BTC/USD --type close
 - **`close`** is the price type for the last price of each day.
 
 A BTC/USD price of the amount 29,391.775 can be written as
-"BTC/USD = 29391.78" or "BTC 29391.78 USD", and means that one Bitcoin is
-worth 29,391.78 United States Dollars.
+"BTC/USD = 29391.775" or "BTC 29391.775 USD", and means that one Bitcoin is
+worth 29,391.775 United States Dollars.
 
 ## Initial design choices
 
diff --git a/src/pricehist/sources/alphavantage.py b/src/pricehist/sources/alphavantage.py
index 84df4d9..707ba50 100644
--- a/src/pricehist/sources/alphavantage.py
+++ b/src/pricehist/sources/alphavantage.py
@@ -45,7 +45,7 @@ class AlphaVantage(BaseSource):
             "You should obtain a free API key from "
             "https://www.alphavantage.co/support/#api-key and set it in "
             f"the {self.API_KEY_NAME} environment variable ({keystatus}), "
-            "otherise, pricehist will attempt to use a generic key.\n"
+            "otherwise, pricehist will attempt to use a generic key.\n"
             "The PAIR for currencies should be in BASE/QUOTE form. The quote "
             "symbol must always be for a physical currency. The --symbols option "
             "will list all digital and physical currency symbols.\n"
@@ -58,8 +58,8 @@ class AlphaVantage(BaseSource):
             "than using historical rates.\n"
             "Alpha Vantage's standard API call frequency limits is 5 calls per "
             "minute and 500 per day, so you may need to pause between successive "
-            "commands. Note that retrieving prices for one stock requires two "
-            "calls."
+            "commands. Note that retrieving prices for one stock consumes two "
+            "API calls."
         )
 
     def _stock_symbols_message(self):