diff --git a/zathura.1 b/zathura.1
index 1deadd6..0c9e1a9 100644
--- a/zathura.1
+++ b/zathura.1
@@ -122,6 +122,15 @@ Toggle statusbar visibility
 .B ^m
 Toggle inputbar visibility
 .TP
+.B +
+Zoom in
+.TP
+.B -
+Zoom out
+.TP
+.B =
+Zoom to the original size
+.TP
 .B Esc | ^c
 Abort
 .TP