Fixed fragment matcher error message

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## vNext
 
+
+
 ### Apollo Client (vNext)
 
 - Adjusted the `graphql` peer dependency to cover explicit minor ranges.
@@ -36,6 +38,11 @@
   [@hwillson](https://github.com/hwillson) in [#3774](https://github.com/apollographql/apollo-client/pull/3774)  <br/>
   [@hwillson](https://github.com/hwillson) in [#3779](https://github.com/apollographql/apollo-client/pull/3779)
 
+### Apollo Cache In-Memory (vNext)
+
+- Fix typo in `console.warn` regarding fragment matching error message.  <br/>
+  [@combizs](https://github.com/combizs) in [#3701](https://github.com/apollographql/apollo-client/pull/3701)
+
 
 ## 2.3.7 (July 24, 2018)
 

packages/apollo-cache-inmemory/src/fragmentMatcher.ts

@@ -77,10 +77,11 @@ export class HeuristicFragmentMatcher implements FragmentMatcherInterface {
     // If it's 1, we don't want to return anything, if it's 2 we want to match. We can't tell the
     // difference, so we warn the user, but still try to match it (backcompat).
     warnOnceInDevelopment(
-      `You are using the simple (heuristic) fragment matcher, but your queries contain union or interface types.
-     Apollo Client will not be able to able to accurately map fragments.` +
-        `To make this error go away, use the IntrospectionFragmentMatcher as described in the docs: ` +
-        `https://www.apollographql.com/docs/react/recipes/fragment-matching.html`,
+      'You are using the simple (heuristic) fragment matcher, but your ' +
+      'queries contain union or interface types. Apollo Client will not be ' +
+      'able to accurately map fragments. To make this error go away, use ' +
+      'the `IntrospectionFragmentMatcher` as described in the docs: ' +
+      'https://www.apollographql.com/docs/react/recipes/fragment-matching.html',
       'error',
     );