From 50dc1928c6c59827791d7bca82299b6a0a6ad243 Mon Sep 17 00:00:00 2001
From: Florian Nagel <hi@floriannagel.xyz>
Date: Mon, 20 Aug 2018 22:40:56 +0200
Subject: [PATCH 1/2] Fix template strings usage in guessSchemaByRootField
 error message

---
 src/stitching/mergeSchemas.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/stitching/mergeSchemas.ts b/src/stitching/mergeSchemas.ts
index d1a161dde07..83bb0cbd93d 100644
--- a/src/stitching/mergeSchemas.ts
+++ b/src/stitching/mergeSchemas.ts
@@ -351,7 +351,7 @@ function guessSchemaByRootField(
     }
   }
   throw new Error(
-    `Could not find subschema with field \`{operation}.{fieldName}\``,
+    `Could not find subschema with field \`${operation}.${fieldName}\``,
   );
 }
 

From 10d5e132af06770d1b22c30ac004e44b6e667b8d Mon Sep 17 00:00:00 2001
From: Hugh Willson <hugh@octonary.com>
Date: Fri, 7 Sep 2018 06:54:10 -0400
Subject: [PATCH 2/2] Changelog update

---
 CHANGELOG.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8825b8985ca..ce80e488788 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,9 @@
 # Change log
 
-### vNEXT
+### 4.0.0
 
-* ...
+* Fix template strings usage in guessSchemaByRootField error message.  <br/>
+  [@nagelflorian](https://github.com/nagelflorian) in [#936](https://github.com/apollographql/graphql-tools/pull/936)
 
 ### v3.1.1