Manual fixes.
diff --git a/generator/proto/nanopb.proto b/generator/proto/nanopb.proto
index c8067e3..88ac2f6 100644
--- a/generator/proto/nanopb.proto
+++ b/generator/proto/nanopb.proto
@@ -133,7 +133,7 @@
   // Extra files to include in generated `.pb.h`
   repeated string include = 24;
 
-  // Automatic includes to exlude from generated `.pb.h`
+  // Automatic includes to exclude from generated `.pb.h`
   // Same as nanopb_generator.py command line flag -x.
   repeated string exclude = 26;
 
diff --git a/tests/SConstruct b/tests/SConstruct
index 1755012..93b1ce9 100644
--- a/tests/SConstruct
+++ b/tests/SConstruct
@@ -3,7 +3,7 @@
 It will automatically detect your platform and C compiler and
 build appropriately.
 
-You can modify the behavious using following options:
+You can modify the behaviour using following options:
 BUILDDIR    Directory to build into (default "build")
 CC          Name of C compiler
 CXX         Name of C++ compiler