diff --git a/syntaxes/elixir.json b/syntaxes/elixir.json
index eb5adb1..ab332f6 100644
--- a/syntaxes/elixir.json
+++ b/syntaxes/elixir.json
@@ -31,7 +31,7 @@
     {
       "begin": "@(module|type)?doc\\s*(~s)?\"\"\"",
       "comment": "@doc with interpolated heredocs",
-      "end": "\\s*\"\"\"",
+      "end": "^\\s*\"\"\"\\s*$",
       "name": "comment.documentation.heredoc.elixir",
       "patterns": [
         {
@@ -45,7 +45,7 @@
     {
       "begin": "@(module|type)?doc\\s*(~s)?'''",
       "comment": "@doc with interpolated single quoted heredocs",
-      "end": "\\s*'''",
+      "end": "^\\s*'''\\s*$",
       "name": "comment.documentation.heredoc.elixir",
       "patterns": [
         {
@@ -59,7 +59,7 @@
     {
       "begin": "@(module|type)?doc\\s*~S\"\"\"",
       "comment": "@doc with heredocs is treated as documentation",
-      "end": "\\s*\"\"\"",
+      "end": "^\\s*\"\"\"\\s*$",
       "name": "comment.documentation.heredoc.elixir",
       "patterns": [
         {
@@ -70,7 +70,7 @@
     {
       "begin": "@(module|type)?doc\\s*~S'''",
       "comment": "@doc with heredocs is treated as documentation",
-      "end": "\\s*'''",
+      "end": "^\\s*'''\\s*$",
       "name": "comment.documentation.heredoc.elixir",
       "patterns": [
         {