diff --git a/doc/source/admin/runtime.rst b/doc/source/admin/runtime.rst
index ce8d2f5b..408d8df3 100644
--- a/doc/source/admin/runtime.rst
+++ b/doc/source/admin/runtime.rst
@@ -16,4 +16,4 @@ Create your own runtime
 =======================
 
 Although there are several runtime implementation in-tree, it's very easy to
-implement your own runtime for the prefered programming language.
+implement your own runtime for the preferred programming language.
diff --git a/doc/source/specs/function_versioning.rst b/doc/source/specs/function_versioning.rst
index 2f0a2d4c..21be6814 100644
--- a/doc/source/specs/function_versioning.rst
+++ b/doc/source/specs/function_versioning.rst
@@ -15,7 +15,7 @@ history. Each version has a number that serves as its ID, starting with 1 and
 incrementing up, and never reused. The code for a published version of a
 function is immutable (i.e. cannot be changed). So, a version number
 corresponds to a specific set of function code with certainty. With function
-versioning, users can get the following benifits:
+versioning, users can get the following benefits:
 
 - Update the function code without breaking the existing applications that rely
   on the function.