Minor

semf1.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # TODO: Add test cases, Remove tokenize_sentences flag since it can be determined from the input itself.
-"""SEM-F1 metric"""
+"""Sem-F1 metric"""
 
 import abc
 import sys