diff --git a/src/services/services.ts b/src/services/services.ts
index 21537f0fa14..b0bf52291c0 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -4965,7 +4965,8 @@ namespace ts {
             // Compute the meaning from the location and the symbol it references
             let searchMeaning = getIntersectingMeaningFromDeclarations(getMeaningFromLocation(node), declarations);
 
-            // Get the text to search for, we need to normalize it as external module names will have quotes
+            // Get the text to search for.
+            // Note: if this is an external module symbol, the name doesn't include quotes.
             let declaredName = getDeclaredName(typeChecker, symbol, node);
 
             // Try to get the smallest valid scope that we can limit our search to;
@@ -5019,7 +5020,7 @@ namespace ts {
                 });
             }
 
-            function getInternedName(symbol: Symbol, location: Node, declarations: Declaration[]) {
+            function getInternedName(symbol: Symbol, location: Node, declarations: Declaration[]): string {
                 // If this is an export or import specifier it could have been renamed using the 'as' syntax.
                 // If so we want to search for whatever under the cursor.
                 if (isImportOrExportSpecifierName(location)) {
@@ -5036,8 +5037,10 @@ namespace ts {
 
             /**
              * Determines the smallest scope in which a symbol may have named references.
+             * Note that not every construct has been accounted for. This function can
+             * probably be improved.
              *
-             * Returns undefined if the scope cannot be determined, often implying that
+             * @returns undefined if the scope cannot be determined, implying that
              * a reference to a symbol can occur anywhere.
              */
             function getSymbolScope(symbol: Symbol): Node {
diff --git a/src/services/utilities.ts b/src/services/utilities.ts
index a6834e1230d..0fd945caa7d 100644
--- a/src/services/utilities.ts
+++ b/src/services/utilities.ts
@@ -653,7 +653,7 @@ namespace ts {
         });
     }
 
-    export function getDeclaredName(typeChecker: TypeChecker, symbol: Symbol, location: Node) {
+    export function getDeclaredName(typeChecker: TypeChecker, symbol: Symbol, location: Node): string {
         // If this is an export or import specifier it could have been renamed using the 'as' syntax.
         // If so we want to search for whatever is under the cursor.
         if (isImportOrExportSpecifierName(location)) {