Fix grammatical error

Sorry, saw this and couldn't let it go.
barry65536 · Jhynjhiruu · Apr 30, 2019 · Apr 30, 2019 · 6ad235326f86f4a7180375e294affdb1f877d09e
commit 6ad235326f86f4a7180375e294affdb1f877d09e
diff --git a/README.md b/README.md
@@ -3,4 +3,4 @@ https://www.fbalpha.com
 
 This is the official repository of the FB Alpha Emulator.
 
-Use of this program and it's source code is subject to the license conditions provided in the [license.txt](/src/license.txt) file in the src folder.
+Use of this program and its source code is subject to the license conditions provided in the [license.txt](/src/license.txt) file in the src folder.
Original file line number	Diff line number	Diff line change
		@@ -3,4 +3,4 @@ https://www.fbalpha.com

		This is the official repository of the FB Alpha Emulator.

		Use of this program and it's source code is subject to the license conditions provided in the [license.txt](/src/license.txt) file in the src folder.
		Use of this program and its source code is subject to the license conditions provided in the [license.txt](/src/license.txt) file in the src folder.