diff --git a/docs/installation.md b/docs/installation.md
index eeaeb48..bbd121b 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -186,7 +186,7 @@ The following systemd service file can be used to run inv_sig_helper with system
 Follow the instructions for your distribution here: https://crystal-lang.org/install/
 
 **Note:** Invidious currently supports the following Crystal versions: `1.12.x` / `1.13.x` / `1.14.x`. \
-Versions `1.12.x` and older are incompatible because we use features only present in the newer versions. \
+Versions `1.11.x` and older are incompatible because we use features only present in the newer versions. \
 Versions `1.15.x` should be compatible, however we did not test it.
 
 #### Install the dependencies