diff --git a/2004/hoyle/README.md b/2004/hoyle/README.md
index e7a7adcf5..047d0dfcf 100644
--- a/2004/hoyle/README.md
+++ b/2004/hoyle/README.md
@@ -1,11 +1,8 @@
 # Most Functional Output
 
-    Jonathan Hoyle
-    162 Burwyck Park
-    Saline, MI  48176
-    US
-
-    http://www.jonhoyle.com
+Jonathan Hoyle
+US
+<http://www.jonhoyle.com>
 
 ## To build:
 
@@ -29,8 +26,8 @@ make
 
 ### Alternate code
 
-An alternate version of this entry, `hoyle.alt.c`, is provided.  This alternate code
-has a missing newline and used a non-standard tab stop size.
+An alternate version of this entry, [hoyle.alt.c](hoyle.alt.c), is provided.
+This alternate code has a missing newline and used a non-standard tab stop size.
 
 To compile this alternate version:
 
@@ -40,29 +37,29 @@ make alt
 
 Use `hoyle.alt.c` as you would `hoyle` above.
 
-## Judges' remarks
+## Judges' remarks:
 
 This obfuscation functions at several levels.  Note the clever
-use of use of #defines.  The do(if,else) #define, for example,
+use of use of `#define`s.  The `#define do(if,else)`, for example,
 is delightful.  The code itself contains a bunch of curves
 designed to throw you off axis.  :-)
 
-## Author's remarks
+## Author's remarks:
 
-This application graphs polynomials on a standard Cartesian coordinate
-system.  Polynomials of the form ax^0 + bx^1 + cx^2 + ... are graphed by
-passing the coefficients a, b, c, etc. as double precision arguments.
-It allows up to 8 parameters (thus up to x^7).
+This application graphs polynomials on a standard Cartesian coordinate system.
+Polynomials of the form `ax^0 + bx^1 + cx^2 +` ... are graphed by passing the
+coefficients `a`, `b`, `c`, etc. as double precision arguments.  It allows up to
+8 parameters (thus up to `x^7`).
 
-Points of note:
+### Points of note:
 
-- the x axis goes from -32 to +31
-- the y axis auto scales!
-- up to 8 coefficients may be passed in
+- the [x axis](https://mathworld.wolfram.com/x-Axis.html) goes from `-32` to `+31`
+- the [y axis](https://mathworld.wolfram.com/y-Axis.html) auto scales!
+- up to 8 [coefficients](https://en.wikipedia.org/wiki/Coefficient) may be passed in
 - the graph will determine direction and use slashes and
-  dashes rather than simple block X's.
+  dashes rather than simple block `X`s.
 
-For example, ta graph y = x^2:
+For example, ta graph `y = x^2`:
 
 ```sh
 ./hoyle 0 0 1
@@ -74,7 +71,7 @@ Note that:
 ./hoyle 0 0 2
 ```
 
-will produce the same graph, since the y-axis is auto scaling.
+will produce the same graph, since the `y-axis` is auto scaling.
 
 ## Copyright and CC BY-SA 4.0 License: