diff --git a/PLASMA/README.md b/PLASMA/README.md
index db628b48..dc0a4136 100644
--- a/PLASMA/README.md
+++ b/PLASMA/README.md
@@ -319,8 +319,11 @@ call6502(aReg, xReg, yReg, statusReg, addr) returns a pointer to a four byte str
     const getlin = $FD6A
 
     numchars = (call6502(0, 0, 0, 0, getlin)).xreg ; return char count in X reg
-    prodos(cmd, params)calls ProDOS, returning the status value.
+```
 
+prodos(cmd, params) calls ProDOS, returning the status value.
+
+```
     def read(refnum, buff, len)
         byte params[8]