Add merchants + Fix typo

- Healthier Matters #1008
- Copy Corner #1011
- Evolution Host #1007
- AgoraDesk #1004

_data/merchants.yml

@@ -3,6 +3,8 @@
   merchants:
     - name: "#monero-otc (OTC)"
       url: https://webchat.freenode.net?channels=%23monero-otc
+    - name: AgoraDesk - P2P OTC trading platform, includes Monero options
+      url: https://agoradesk.com
     - name: Alfacashier
       url: https://www.alfacashier.com/
     - name: Anycoin Direct
@@ -214,7 +216,9 @@
       url: https://galanglaw.com/
     - name: Esperanto lessons from Kaja
       url: mailto:kiah.morante@gmail.com
-    - name: EchangeRates - compares the prices of Monero and other cryptocurrencies across exchanges
+    - name: Evolution Host - Hosting services
+      url: https://evolution-host.com/
+    - name: ExchangeRates - compares the prices of Monero and other cryptocurrencies across exchanges
       url: https://exchangerates.pro/
     - name: Farmer ALP, LLC, Arizona
       url: mailto:farmeralp@gmail.com
@@ -228,6 +232,8 @@
       url: https://www.gomojomarketing.com/
     - name: Guitar Music Theory course w/ 30% XMR discount
       url: http://www.guitartheoryrevolution.info/blog/guitar-theory-revolution-store/
+    - name: Healthier Matters - Health blog
+      url: https://healthiermatters.com/advertise-with-us
     - name: Hiri - Email client
       url: https://www.hiri.com/crypto/currency/XMR/
     - name: HostingCanada - Web hosting 
@@ -347,6 +353,8 @@
       url: http://www.LagaiPhone.se
     - name: Chicago Gem Shop - Online gem shop
       url: https://chicagogemshop.com/
+    - name: Copy Corner - Full Service Printing & Graphics
+      url: https://www.mycopycorner.com
     - name: City Map Decor - City map themed home decor
       url: https://www.citymapdecor.com/
     - name: CoinBought - Buy anything from Amazon