diff --git a/README.md b/README.md
index 7e36166..1079fea 100644
--- a/README.md
+++ b/README.md
@@ -2614,7 +2614,7 @@ Line #   Hits     Time  Per Hit   % Time  Line Contents
 ```
 
 ### Call and Flame Graphs
-```bash
+```text
 $ pip3 install gprof2dot snakeviz
 $ apt/brew install graphviz
 $ python3 -m cProfile -o test.prof test.py
diff --git a/index.html b/index.html
index 4888989..5364f92 100644
--- a/index.html
+++ b/index.html
@@ -2144,7 +2144,7 @@ Line #   Hits     Time  Per Hit   % Time  Line Contents
      4      1    487.0    487.0     68.9      b = set(range(10000))
 </code></pre></div>
 
-<div><h3 id="callandflamegraphs">Call and Flame Graphs</h3><pre><code class="bash language-bash hljs">$ pip3 install gprof2dot snakeviz
+<div><h3 id="callandflamegraphs">Call and Flame Graphs</h3><pre><code class="text language-text">$ pip3 install gprof2dot snakeviz
 $ apt/brew install graphviz
 $ python3 -m cProfile -o test.prof test.py
 $ gprof2dot -f pstats test.prof | dot -Tpng -o test.png; xdg-open/open test.png