diff --git a/crates/ruma-common/src/events/policy/rule.rs b/crates/ruma-common/src/events/policy/rule.rs
index 959f9219..e0634f31 100644
--- a/crates/ruma-common/src/events/policy/rule.rs
+++ b/crates/ruma-common/src/events/policy/rule.rs
@@ -14,8 +14,8 @@ pub mod user;
 pub struct PolicyRuleEventContent {
     /// The entity affected by this rule.
     ///
-    /// Glob characters `*` and `?` can be used to match zero or more and one or more characters
-    /// respectively.
+    /// Glob characters `*` and `?` can be used to match zero or more characters or exactly one
+    /// character respectively.
     pub entity: String,
 
     /// The suggested action to take.