Fixes in html files of 1990

1990/dg/README.md

@@ -45,7 +45,7 @@ than 4, but when I do that I get a complaint "defines nested too deeply".
 
 ### Obfuscation spoiler:
 
-This is another rot13 job (believe it or not) - the `#defines` are a
+This is another rot13 job (believe it or not) - the `#define`s are a
 novel way of adding tokens: `#define b12(x) 12 x` means that at
 some point in the source a `12` is followed by the compressed nested
 `#define`s. The `b12` gets the previous compression as an argument, and

1990/dg/index.html

@@ -419,7 +419,7 @@ which we have done for the wider audience.</p>
 <p>If my preprocessor could hack it, I could write this as one single line rather
 than 4, but when I do that I get a complaint “defines nested too deeply”.</p>
 <h3 id="obfuscation-spoiler">Obfuscation spoiler:</h3>
-<p>This is another rot13 job (believe it or not) - the <code>#defines</code> are a
+<p>This is another rot13 job (believe it or not) - the <code>#define</code>s are a
 novel way of adding tokens: <code>#define b12(x) 12 x</code> means that at
 some point in the source a <code>12</code> is followed by the compressed nested
 <code>#define</code>s. The <code>b12</code> gets the previous compression as an argument, and