diff --git a/09-plotting.md b/09-plotting.md
index e9b9b11ed..fad27e001 100644
--- a/09-plotting.md
+++ b/09-plotting.md
@@ -248,7 +248,7 @@ data_asia.describe().T.plot(kind='scatter', x='min', y='max')
 
 ![](fig/9_correlations_solution1.svg){alt='Correlations Solution 1'}
 
-No particular correlations can be seen between the minimum and maximum gdp values
+No particular correlations can be seen between the minimum and maximum GDP values
 year on year. It seems the fortunes of asian countries do not rise and fall together.
 
 
@@ -273,7 +273,7 @@ print(data_asia.idxmin())
 Seems the variability in this value is due to a sharp drop after 1972.
 Some geopolitics at play perhaps? Given the dominance of oil producing countries,
 maybe the Brent crude index would make an interesting comparison?
-Whilst Myanmar consistently has the lowest gdp, the highest gdb nation has varied
+Whilst Myanmar consistently has the lowest GDP, the highest GDP nation has varied
 more notably.
 
 
diff --git a/md5sum.txt b/md5sum.txt
index 07684f8ab..b56bc5853 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -12,7 +12,7 @@
 "episodes/06-libraries.md" "96899c58843e51f10eb84a8ac20ebb90" "site/built/06-libraries.md" "2023-05-02"
 "episodes/07-reading-tabular.md" "b5b65e50037a583dfc5a3a879e4404b0" "site/built/07-reading-tabular.md" "2023-05-02"
 "episodes/08-data-frames.md" "af0057242e5f63f0c049f58ad66f1cbb" "site/built/08-data-frames.md" "2023-08-29"
-"episodes/09-plotting.md" "d701a7c8d39329d1786b48b32063ffc8" "site/built/09-plotting.md" "2024-03-17"
+"episodes/09-plotting.md" "9d0e0b5ce187cff8cd166762432c598e" "site/built/09-plotting.md" "2024-10-08"
 "episodes/10-lunch.md" "0624bfa89e628df443070e8c44271b33" "site/built/10-lunch.md" "2023-05-02"
 "episodes/11-lists.md" "1257daeb542377a3b04c6bec0d0ffee1" "site/built/11-lists.md" "2023-07-24"
 "episodes/12-for-loops.md" "1da6e4e57a25f8d4fd64802c2eb682c4" "site/built/12-for-loops.md" "2023-05-02"