diff --git a/crates/hir_def/src/test_db.rs b/crates/hir_def/src/test_db.rs
index 2635b556e6..baf71731f4 100644
--- a/crates/hir_def/src/test_db.rs
+++ b/crates/hir_def/src/test_db.rs
@@ -233,7 +233,7 @@ impl TestDB {
         events
             .into_iter()
             .filter_map(|e| match e.kind {
-                // This pretty horrible, but `Debug` is the only way to inspect
+                // This is pretty horrible, but `Debug` is the only way to inspect
                 // QueryDescriptor at the moment.
                 salsa::EventKind::WillExecute { database_key } => {
                     Some(format!("{:?}", database_key.debug(self)))
diff --git a/crates/hir_ty/src/test_db.rs b/crates/hir_ty/src/test_db.rs
index b99a03492b..ee6c2fa4f8 100644
--- a/crates/hir_ty/src/test_db.rs
+++ b/crates/hir_ty/src/test_db.rs
@@ -138,7 +138,7 @@ impl TestDB {
         events
             .into_iter()
             .filter_map(|e| match e.kind {
-                // This pretty horrible, but `Debug` is the only way to inspect
+                // This is pretty horrible, but `Debug` is the only way to inspect
                 // QueryDescriptor at the moment.
                 salsa::EventKind::WillExecute { database_key } => {
                     Some(format!("{:?}", database_key.debug(self)))
diff --git a/crates/syntax/src/algo.rs b/crates/syntax/src/algo.rs
index 8d7a77b507..91ab01ca4e 100644
--- a/crates/syntax/src/algo.rs
+++ b/crates/syntax/src/algo.rs
@@ -173,7 +173,7 @@ pub fn diff(from: &SyntaxNode, to: &SyntaxNode) -> TreeDiff {
             }
     }
 
-    // FIXME: this is horrible inefficient. I bet there's a cool algorithm to diff trees properly.
+    // FIXME: this is horribly inefficient. I bet there's a cool algorithm to diff trees properly.
     fn go(diff: &mut TreeDiff, lhs: SyntaxElement, rhs: SyntaxElement) {
         let (lhs, rhs) = match lhs.as_node().zip(rhs.as_node()) {
             Some((lhs, rhs)) => (lhs, rhs),