diff --git a/iasm/README.rst b/iasm/README.rst
index a14d77a..0420aa2 100644
--- a/iasm/README.rst
+++ b/iasm/README.rst
@@ -5,13 +5,13 @@ The code here is an Imlac assembler that takes an Imlac assembler file and
 generates a patertape file including the bootstrap loader.  Optionally,
 a listing file can also be produced.
 
-> Usage: iasm <option> <filename>                                           
-
- where <option>   is zero or more of                                       
-                    -bptr     use a papertape boot loader                  
-                    -btty     use a teletype boot loader                   
-                    -l <file> write listing to file <file>                 
-       <filename> is the file to assemble.                                 
-
- The input filename has the form of 'file.asm' and                         
- the output file will be 'file.ptp' or 'file.tty'.                         
+| Usage: iasm <option> <filename>                                           
+|
+| where <option>   is zero or more of                                       
+|                    -bptr     use a papertape boot loader                  
+|                    -btty     use a teletype boot loader                   
+|                    -l <file> write listing to file <file>                 
+|       <filename> is the file to assemble.                                 
+|
+| The input filename has the form of 'file.asm' and                         
+| the output file will be 'file.ptp' or 'file.tty'.