fix typo

Signed-off-by: luofucong <luofc@foxmail.com>

src/query/src/dist_plan/commutativity.rs

@@ -144,7 +144,7 @@ impl Categorizer {
                     }
                 }
                 // all group by expressions are partition columns can push down, unless
-                // another push down(including `Limit` or `Sort`) is already in progress(which will then prvent next cond commutative node from being push down).
+                // another push down(including `Limit` or `Sort`) is already in progress(which will then prevent next cond commutative node from being push down).
                 // TODO(discord9): This is a temporary solution(that works), a better description of
                 // commutativity is needed under this situation.
                 Commutativity::ConditionalCommutative(None)

src/query/src/query_engine/state.rs

@@ -234,7 +234,7 @@ impl QueryEngineState {
         rules.retain(|rule| rule.name() != name);
     }
 
-    /// Optimize the logical plan by the extension anayzer rules.
+    /// Optimize the logical plan by the extension analyzer rules.
     pub fn optimize_by_extension_rules(
         &self,
         plan: DfLogicalPlan,