Fix two small typos

_translations/en.yml

@@ -197,7 +197,7 @@ en:
     advantagesli4: "<em><b>Security and control</b></em> - Bitcoin users are in full control of their transactions; it is impossible for merchants to force unwanted or unnoticed charges as can happen with other payment methods. Bitcoin payments can be made without personal information tied to the transaction. This offers strong protection against identity theft. Bitcoin users can also protect their money with backup and encryption."
     advantagesli5: "<em><b>Transparent and neutral</b></em> - <a href=\"http://blockexplorer.com/\">All information</a> concerning the Bitcoin money supply itself is readily available on the block chain for anybody to verify and use in real-time. No individual or organization can control or manipulate the Bitcoin protocol because it is cryptographically secure. This allows the core of Bitcoin to be trusted for being completely neutral, transparent and predictable."
     disadvantages: "What are the disadvantages of Bitcoin?"
-    disadvantagesli1: "<em><b>Degree of acceptance</b></em> - Many people are still unaware of Bitcoin. Every day, more businesses accept bitcoins because they want the advantages of doing so, but the list remains small and still needs to grow in order to benefit from <a href=\"http://en.wikipedia.org/wiki/Network_effect\">network effects.</a>"
+    disadvantagesli1: "<em><b>Degree of acceptance</b></em> - Many people are still unaware of Bitcoin. Every day, more businesses accept bitcoins because they want the advantages of doing so, but the list remains small and still needs to grow in order to benefit from <a href=\"http://en.wikipedia.org/wiki/Network_effect\">network effects</a>."
     disadvantagesli2: "<em><b>Volatility</b></em> - The <a href=\"http://bitcoincharts.com/bitcoin/\">total value</a> of bitcoins in circulation and the number of businesses using Bitcoin are still very small compared to what they could be. Therefore, relatively small events, trades, or business activities can significantly affect the price. In theory, this volatility will decrease as Bitcoin markets and the technology matures. Never before has the world seen a start-up currency, so it is truly difficult (and exciting) to imagine how it will play out."
     disadvantagesli3: "<em><b>Ongoing development</b></em> - Bitcoin software is still in beta with many incomplete features in active development. New tools, features, and services are being developed to make Bitcoin more secure and accessible to the masses. Some of these are still not ready for everyone. Most Bitcoin businesses are new and still offer no insurance. In general, Bitcoin is still in the process of maturing."
     trust: "Why do people trust Bitcoin?"
@@ -537,7 +537,7 @@ en:
     experimental: "Bitcoin is still experimental"
     experimentaltxt: "Bitcoin is an experimental new currency that is in active development. Although it becomes less experimental as usage grows, you should keep in mind that Bitcoin is a new invention that is exploring ideas that have never been attempted before. As such, its future cannot be predicted by anyone."
     tax: "Don't forget government taxes"
-    taxtxt: "Bitcoin is not an official currency. That said, most jurisdictions still require you to pay income, sales, payroll, and capital gains taxes on anything that has value, including Bitcoin."
+    taxtxt: "Bitcoin is not an official currency. That said, most jurisdictions still require you to pay income, sales, payroll, and capital gains taxes on anything that has value, including bitcoins."
   layout:
     menu-about-us: "About bitcoin.org"
     menu-bitcoin-for-businesses: Businesses