Update README.md

README.md

@@ -26,7 +26,7 @@ Here, you can install RNAja from the gitlab source code such as :
 
 Don't forget to export RNAja into the $PATH environment path by  
 ``` bash
-    export PATH=/home/$USER/.local/bin/:$PATH`
+    export PATH=/home/$USER/.local/bin/:$PATH
 ``` 
 
 ### 1.1 Installing in local mode