Fix typo in README

README.md

@@ -21,6 +21,7 @@
 Run the following in command line to test mesh size and time step convergence for P1 and BDF1 of RSHMHF FE
 ```console
 foo@bar:~$ python3 -m Tests.conv_RSHMHF_FE
+```
 
 Run the following in command line to test mesh size and time step convergence for P1 and BDF1 of PPFEM and TFEM of HMHF FE on unit disk in dimension 2
 ```console