fix a typo

README.md

@@ -68,7 +68,7 @@ at Madison. Development began in 2023.
         setenv PATH ${PATH}:${SHIFTX2_DIR}
 
       Please note that in both cases if you installed shiftx2-linux in
-      someplace other than ~/Programs then you should make the same path
+      some place other than ~/Programs then you should make the same path
       change to these file edit examples above.
       
   - Install BPHON in ChimeraX