diff --git a/make_html.sh b/make_html.sh
index f2e57f5..e0e86b0 100755
--- a/make_html.sh
+++ b/make_html.sh
@@ -20,7 +20,7 @@ for f in *.md; do
   f2="html/${fname}.html"
 
   echo $HEADER > $f2
-  markdown $f | sed "s/\.md\"/.html\"/g" >> $f2
+  cmark-gfm -e table $f | sed "s/\.md\"/.html\"/g" >> $f2
   echo $FOOTER >> $f2
 done
 
diff --git a/open_console.md b/open_console.md
index b7ca761..5b3040a 100644
--- a/open_console.md
+++ b/open_console.md
@@ -42,7 +42,7 @@ Some notable open consoles are listed here. Symbol meaning:
 - - = discontinued
 
 | name                    | CPU       |RAM (K)| ROM (K)| display      | notes               |
-| ----------------------- | --------- | ----- | ------ | ------------ |-------------------- |
+| ----------------------- | --------- | ----- | ------ | ------------ | ------------------- |
 |[Arduboy](arduboy.md)    |8b 16 MHz  | 2.5   | 32     | 64x32 1b     |* A C +, tiny        |
 |[Gamebuino](gamebuino.md)|8b 16 MHz  | 2     | 32     | 84x48 1b     |+ A -, SD            |
 |[Pokitto](pokitto.md)    |32b 48 MHz | 36    | 256    | 220x176      |* C +, ext. hats, SD |
diff --git a/people.md b/people.md
index a68793b..6098d98 100644
--- a/people.md
+++ b/people.md
@@ -13,7 +13,7 @@ This is a list of notable people in technology.
 - **[Larry Wall](larry_wall.md)**: creator of [Perl](perl.md) language, linguist
 - **[Lawrence Lessig](lessig.md)**: lawyer, founder of [free culture](free_culture.md) movement and [Creative Commons](creative_commons.md), critic of [copyright](copyright.md)
 - **[Linus Torvalds](linus_torvalds.md)**: Finnish programmer who created [Linux](linux.md) and [git](git.md)
-- **[Luke Smith](luke_smith)**: [suckless](suckless.md) vlogger/celebrity
+- **[Luke Smith](luke_smith.md)**: [suckless](suckless.md) vlogger/celebrity
 - **[Mental Outlaw](mental_outlaw.md)**: [suckless](suckless.md) vlogger/celebrity
 - **[Nina Paley](nina_paley.md)**: [female](woman.md) artist, one of the most famous proponents of [free culture](free_culture.md)
 - **[Noam Chomsky](noam_chomsky.md)**: linguist notable in theoretical [compsci](computer_science.md), anarchist