Update README.md

Change <code>twitter_consumer_secret<code> to <code>twitter_consumer_secret</code>

Author: wangmengyan95

README.md

@@ -21,7 +21,7 @@ To run our sample apps, you need to import this repo as a standalone Gradle proj
 3. Specify the following in `res/values/strings.xml` of each sample project:
     * <code>parse_app_id</code> and <code>parse_client_key</code>
     * <code>facebook_app_id</code>
-    * <code>twitter_consumer_key</code> and <code>twitter_consumer_secret<code>
+    * <code>twitter_consumer_key</code> and <code>twitter_consumer_secret</code>
 4. Build (Tools > Android > Sync Project with Gradle Files) and run the sample apps using Android Studio.
 
 #### Importing into Your App
@@ -108,4 +108,4 @@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.