diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index d258017..ed95ba2 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -14828,7 +14828,7 @@ Message passing rules summary:
 ##### Reason
 
 A `future` preserves the usual function call return semantics for asynchronous tasks.
-The is no explicit locking and both correct (value) return and error (exception) return are handled simply.
+There is no explicit locking and both correct (value) return and error (exception) return are handled simply.
 
 ##### Example
 
@@ -14847,7 +14847,7 @@ The is no explicit locking and both correct (value) return and error (exception)
 ##### Reason
 
 A `future` preserves the usual function call return semantics for asynchronous tasks.
-The is no explicit locking and both correct (value) return and error (exception) return are handled simply.
+There is no explicit locking and both correct (value) return and error (exception) return are handled simply.
 
 ##### Example