diff --git a/crates/uv-requirements/src/specification.rs b/crates/uv-requirements/src/specification.rs
index f14aa635b..689ec9e4f 100644
--- a/crates/uv-requirements/src/specification.rs
+++ b/crates/uv-requirements/src/specification.rs
@@ -226,7 +226,7 @@ impl RequirementsSpecification {
             }
             RequirementsSource::EnvironmentYml(path) => {
                 return Err(anyhow::anyhow!(
-                    "Conda environment files (i.e. `{}`) are not supported",
+                    "Conda environment files (i.e., `{}`) are not supported",
                     path.user_display()
                 ))
             }
diff --git a/crates/uv/tests/it/edit.rs b/crates/uv/tests/it/edit.rs
index b5894fa59..3ad184734 100644
--- a/crates/uv/tests/it/edit.rs
+++ b/crates/uv/tests/it/edit.rs
@@ -3852,7 +3852,7 @@ fn add_environment_yml_error() -> Result<()> {
     ----- stdout -----
 
     ----- stderr -----
-    error: Conda environment files (i.e. `environment.yml`) are not supported
+    error: Conda environment files (i.e., `environment.yml`) are not supported
     ");
 
     Ok(())
diff --git a/crates/uv/tests/it/pip_install.rs b/crates/uv/tests/it/pip_install.rs
index 2a8d51652..2d46dc099 100644
--- a/crates/uv/tests/it/pip_install.rs
+++ b/crates/uv/tests/it/pip_install.rs
@@ -8253,7 +8253,7 @@ fn install_unsupported_environment_yml() -> Result<()> {
     ----- stdout -----
 
     ----- stderr -----
-    error: Conda environment files (i.e. `environment.yml`) are not supported
+    error: Conda environment files (i.e., `environment.yml`) are not supported
     ");
 
     Ok(())