diff --git a/README_architecture.md b/README_architecture.md
index a19050fc3..3163a1679 100644
--- a/README_architecture.md
+++ b/README_architecture.md
@@ -80,7 +80,7 @@ All ActivityPub posts are stored as text files, and there is no database as such
 
 It is possible to include arbitrary CSS within a custom theme. To avoid security problems the CSS is sanitized before being used. Scripts or import references to other CSS files are not permitted.
 
-The way that the theming system was designed is in order to avoid problems similar to Wordpress, in which an adversary will create an attactive looking theme which contains an expolit. The discovery of exploits then leads to a centralizing dynamic where there is a single "official" themes website or app store. With Epicyon, *themes should always be safe to use no matter where they were downloaded from*. There should be nothing *Turing complete* within a theme.
+The way that the theming system was designed is in order to avoid problems similar to Wordpress, in which an adversary will create an attactive looking theme which contains an exploit. The discovery of exploits then leads to a centralizing dynamic where there is a single "official" themes website or app store. With Epicyon, *themes should always be safe to use no matter where they were downloaded from*. There should be nothing *Turing complete* within a theme.
 
 ### C2S