documentation update

README.md

@@ -42,10 +42,10 @@ var_dump($output); // e.g. I'd buy that for two dollars!
 Command line text generation utilities are also available. For help, run this in your project folder:
 
 ```bash
-$ php vendor/bin/malarkey
+$ ./vendor/bin/malarkey
 ```
 
-### TextGenerator
+### ChainGenerator
 
 #### @generateChain
 Generates a Markov chain from source text.

bin/malarkey

@@ -12,6 +12,7 @@ use CliffordVickrey\Malarkey\Generator\ChainGenerator;
 use CliffordVickrey\Malarkey\Generator\TextGenerator;
 use CliffordVickrey\Malarkey\Generator\TextGeneratorOptions;
 use CliffordVickrey\Malarkey\MarkovChain\Chain;
+use CliffordVickrey\Malarkey\MarkovChain\ChainAbstract;
 use CliffordVickrey\Malarkey\MarkovChain\ChainWithoutJsonSupport;
 
 call_user_func(function (array $arguments): void {
@@ -249,6 +250,10 @@ call_user_func(function (array $arguments): void {
                     Chain::class,
                     ChainWithoutJsonSupport::class
                 ]]);
+
+                if (!($chain instanceof ChainAbstract)) {
+                    throw new RuntimeException('Failed to unserialize object');
+                }
             } else {
                 $action = 'generated';
                 $chainGenerator = new ChainGenerator();

src/Generator/TextGenerator.php

@@ -139,7 +139,7 @@ public function generateText(ChainInterface $chain, $options = null): string
             if ($isLineBreak && '' === $nextWord) {
                 // two line breaks in a row: let's increment the word count to prevent an infinite loop
                 $wordCount++;
-                $maxChunks++;
+                $chunkCount++;
             } else {
                 $isLineBreak = '' === $nextWord;
                 if ($isLineBreak) {