Add known issues to readme

README.md

@@ -19,6 +19,11 @@ Tapping the popup will cause it to close, but tapping any of these icons will no
 ### Options
 See http://mzl.la/MGnc0n for how to access the options
 
+## Known Issues
+* It is not possible to select a link
+* Tapping near a link causes the link to be pressed instead of the word
+* The popup is not optimized for small screens
+
 ##Development
 To use in Firefox for Desktop, install the addon, debug the addon, and in the console type ```context.rcxMain.toggle()``.
 
@@ -41,4 +46,4 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with Rikaichan for Android.  If not, see <http://www.gnu.org/licenses/>.
+along with Rikaichan for Android.  If not, see <http://www.gnu.org/licenses/>.