tweak wording based on in person feedback

src/libsyntax/parse/parser.rs

@@ -720,9 +720,9 @@ impl<'a> Parser<'a> {
                 //  {foo(bar {}}
                 //      -      ^ help: `)` may belong here
                 //      |
-                //      in order to close this...
+                //      unclosed delimiter
                 if let Some(sp) = unmatched.unclosed_span {
-                    err.span_label(sp, "in order to close this...");
+                    err.span_label(sp, "unclosed delimiter");
                 }
                 err.span_suggestion_short(
                     self.sess.source_map().next_point(self.prev_span),

src/test/ui/parser/issue-10636-2.stderr

@@ -5,7 +5,7 @@ LL |     option.map(|some| 42;
    |               -         ^
    |               |         |
    |               |         help: `)` may belong here
-   |               in order to close this...
+   |               unclosed delimiter
 
 error: expected expression, found `)`
   --> $DIR/issue-10636-2.rs:8:1

src/test/ui/parser/issue-2354.rs

@@ -1,5 +1,4 @@
-fn foo() {
+fn foo() { //~ NOTE un-closed delimiter
-  //~^ NOTE un-closed delimiter
   match Some(10) {
   //~^ NOTE this delimiter might not be properly closed...
       Some(y) => { panic!(); }

src/test/ui/parser/issue-2354.stderr

@@ -1,9 +1,8 @@
 error: this file contains an un-closed delimiter
-  --> $DIR/issue-2354.rs:16:66
+  --> $DIR/issue-2354.rs:15:66
    |
-LL | fn foo() {
+LL | fn foo() { //~ NOTE un-closed delimiter
    |          - un-closed delimiter
-LL |   //~^ NOTE un-closed delimiter
 LL |   match Some(10) {
    |                  - this delimiter might not be properly closed...
 ...
@@ -17,7 +16,7 @@ error[E0601]: `main` function not found in crate `issue_2354`
    |
    = note: the main function must be defined at the crate level but you have one or more functions named 'main' that are not defined at the crate level. Either move the definition or attach the `#[main]` attribute to override this behavior.
 note: here is a function named 'main'
-  --> $DIR/issue-2354.rs:15:1
+  --> $DIR/issue-2354.rs:14:1
    |
 LL | fn main() {} //~ NOTE here is a function named 'main'
    | ^^^^^^^^^^^^

src/test/ui/resolve/token-error-correct-3.stderr

@@ -5,7 +5,7 @@ LL |             callback(path.as_ref(); //~ ERROR expected one of
    |                     -             ^
    |                     |             |
    |                     |             help: `)` may belong here
-   |                     in order to close this...
+   |                     unclosed delimiter
 
 error: expected one of `.`, `;`, `?`, `}`, or an operator, found `)`
   --> $DIR/token-error-correct-3.rs:20:9