diff --git a/pkg/analyzer/tool/diagnostics/diagnostics.md b/pkg/analyzer/tool/diagnostics/diagnostics.md
index 7dcbda9fbca..1c6589fd637 100644
--- a/pkg/analyzer/tool/diagnostics/diagnostics.md
+++ b/pkg/analyzer/tool/diagnostics/diagnostics.md
@@ -29271,7 +29271,7 @@ The analyzer produces this diagnostic when a `BuildContext` is referenced
 by a `StatefulWidget` after an asynchronous gap without first checking the
 `mounted` property.
 
-Storing a `BuildContext` for later use can lead to difficult to diagnose
+Storing a `BuildContext` for later use can lead to difficult-to-diagnose
 crashes. Asynchronous gaps implicitly store a `BuildContext`, making them
 easy to overlook for diagnosis.
 
diff --git a/pkg/linter/messages.yaml b/pkg/linter/messages.yaml
index 7e7b5b8d58f..f398131c91f 100644
--- a/pkg/linter/messages.yaml
+++ b/pkg/linter/messages.yaml
@@ -13161,7 +13161,7 @@ LintCode:
       by a `StatefulWidget` after an asynchronous gap without first checking the
       `mounted` property.
 
-      Storing a `BuildContext` for later use can lead to difficult to diagnose
+      Storing a `BuildContext` for later use can lead to difficult-to-diagnose
       crashes. Asynchronous gaps implicitly store a `BuildContext`, making them
       easy to overlook for diagnosis.
 
@@ -13213,7 +13213,7 @@ LintCode:
     deprecatedDetails: |-
       **DON'T** use `BuildContext` across asynchronous gaps.
 
-      Storing `BuildContext` for later usage can easily lead to difficult to diagnose
+      Storing `BuildContext` for later usage can easily lead to difficult-to-diagnose
       crashes. Asynchronous gaps are implicitly storing `BuildContext` and are some of
       the easiest to overlook when writing code.