diff --git a/programs/ssl/CMakeLists.txt b/programs/ssl/CMakeLists.txt
index e8d2865..066940e 100644
--- a/programs/ssl/CMakeLists.txt
+++ b/programs/ssl/CMakeLists.txt
@@ -19,10 +19,10 @@
 )
 
 if(DEV_MODE)
-    # Inform CMake the the following file will be generated as part of the build
+    # Inform CMake that the following file will be generated as part of the build
     # process, so it doesn't complain that it doesn't exist yet. Starting from
     # CMake 3.20, this will no longer be necessary as CMake will automatically
-    # propagate this information accross the tree, for now it's only visible
+    # propagate this information across the tree, for now it's only visible
     # inside the same directory, so we need to propagate manually.
     set_source_files_properties(
         ${CMAKE_CURRENT_BINARY_DIR}/../test/query_config.c
diff --git a/programs/test/CMakeLists.txt b/programs/test/CMakeLists.txt
index 053b03c..94331b8 100644
--- a/programs/test/CMakeLists.txt
+++ b/programs/test/CMakeLists.txt
@@ -44,7 +44,7 @@
             ${CMAKE_CURRENT_SOURCE_DIR}/../../include/mbedtls/mbedtls_config.h
             ${CMAKE_CURRENT_SOURCE_DIR}/../../scripts/data_files/query_config.fmt
     )
-    # this file will also be used in anoter directory, so create a target, see
+    # this file will also be used in another directory, so create a target, see
     # https://gitlab.kitware.com/cmake/community/-/wikis/FAQ#how-can-i-add-a-dependency-to-a-source-file-which-is-generated-in-a-subdirectory
     add_custom_target(generate_query_config_c
         DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/query_config.c)
diff --git a/scripts/generate_query_config.pl b/scripts/generate_query_config.pl
index eab986a..b565024 100755
--- a/scripts/generate_query_config.pl
+++ b/scripts/generate_query_config.pl
@@ -50,7 +50,7 @@
     unless( -f $config_file && -f $query_config_format_file ) {
         chdir '..' or die;
         -f $config_file && -f $query_config_format_file
-          or die "Without arguments, must be run from root or a subdirectory\n";
+          or die "No arguments supplied, must be run from project root or a first-level subdirectory\n";
     }
 }
 
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index d3fba17..f0e9a7d 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -1004,10 +1004,10 @@
     # However this doesn't work as the generation script expects a specific
     # format for mbedtls_config.h, which the other files don't follow. Also,
     # cmake can't know this, but re-generation is actually not necessary as
-    # the generated files only depend on the list of availabe options, not
+    # the generated files only depend on the list of available options, not
     # whether they're on or off. So, disable cmake's (over-sensitive here)
     # dependency resolution for generated files and just rely on them being
-    # present (thanks for pre_generate_files) by turning DEV_MODE off.
+    # present (thanks to pre_generate_files) by turning DEV_MODE off.
     CC=gcc cmake -D DEV_MODE=Off -D CMAKE_BUILD_TYPE:String=Asan .
     tests/scripts/test-ref-configs.pl
 }