fix: correct misleading expect messages in HeaderValue conversions

The panic messages described the normal case rather than the failure
case, making them confusing when read as panic output.

Author: paolobarbolini

src/headers/content_range.rs

@@ -196,9 +196,8 @@ impl FromStr for ParsedSize {
 
 impl From<&HttpContentRange> for HeaderValue {
     fn from(value: &HttpContentRange) -> Self {
-        HeaderValue::from_maybe_shared(value.to_string()).expect(
-            "The `HttpContentRange` Display implementation produces nonvisible ASCII characters",
-        )
+        HeaderValue::from_maybe_shared(value.to_string())
+            .expect("`HttpContentRange` Display produced non-visible ASCII characters")
     }
 }
 

src/headers/range.rs

@@ -67,7 +67,7 @@ impl FromStr for HttpRange {
 impl From<&HttpRange> for HeaderValue {
     fn from(value: &HttpRange) -> Self {
         HeaderValue::from_maybe_shared(value.to_string())
-            .expect("The `HttpRange` Display implementation produces nonvisible ASCII characters")
+            .expect("`HttpRange` Display produced non-visible ASCII characters")
     }
 }