diff --git a/.github/workflows/programming_team_code_ci.yml b/.github/workflows/programming_team_code_ci.yml
index 89422aa9..35687504 100644
--- a/.github/workflows/programming_team_code_ci.yml
+++ b/.github/workflows/programming_team_code_ci.yml
@@ -24,7 +24,7 @@ jobs:
         git submodule init
         git submodule update
         rm -rf hackpack-cpp/tests/
-    - name: Run tests
+    - name: Run library checker and aizu tests
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: oj-verify all --tle 60 --timeout 21600
@@ -40,7 +40,7 @@ jobs:
         wget -O - https://apt.llvm.org/llvm.sh | sudo bash
     - name: Install dependencies
       run: sudo apt update && sudo apt install -y clang-format-19 cppcheck
-    - name: checks format then lints
+    - name: grep, clang-format, cppcheck
       run: make --directory=tests/ grep_clangformat_cppcheck
 
   clangtidy:
@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Compile all tests
+    - name: g++ with gcc
       run: make --directory=tests/ compile_gcc
 
   compile_clang:
@@ -72,17 +72,17 @@ jobs:
       run: wget -qO- https://apt.llvm.org/llvm.sh | sudo bash -s -- 19
     - name: Install dependencies
       run: sudo apt update && sudo apt install -y clang-19
-    - name: Compile all tests
+    - name: g++ with clang
       run: make --directory=tests/ compile_clang
 
-  files_without_tests:
+  find_files_without_tests:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: files without tests
-      run: make --directory=tests/ files_without_tests
+    - name: find files without tests
+      run: make --directory=tests/ find_files_without_tests
 
-  build_ptc:
+  build_pdf:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
@@ -92,8 +92,8 @@ jobs:
         sudo apt install texlive texlive-latex-extra rename nodejs npm
         wget -qO- https://apt.llvm.org/llvm.sh | sudo bash -s -- 19
         sudo apt update && sudo apt install -y clang-19
-    - name: build ptc
-      run: make --directory=tests/ ptc
+    - name: build pdf
+      run: make --directory=tests/ build_pdf
     - uses: actions/upload-artifact@v4
       with:
         name: ptc
@@ -101,7 +101,7 @@ jobs:
 
   publish_ptc:
     runs-on: ubuntu-latest
-    needs: [library_checker_aizu, grep_clangformat_cppcheck, clangtidy, compile_gcc, compile_clang, files_without_tests, build_ptc]
+    needs: [library_checker_aizu, grep_clangformat_cppcheck, clangtidy, compile_gcc, compile_clang, find_files_without_tests, build_pdf]
     if: github.ref == 'refs/heads/dev' && github.event_name == 'push'
     steps:
     - uses: actions/checkout@v2
@@ -119,7 +119,7 @@ jobs:
 
   update_main:
     runs-on: ubuntu-latest
-    needs: [library_checker_aizu, grep_clangformat_cppcheck, clangtidy, compile_gcc, compile_clang, files_without_tests]
+    needs: [library_checker_aizu, grep_clangformat_cppcheck, clangtidy, compile_gcc, compile_clang, find_files_without_tests]
     if: github.ref == 'refs/heads/dev' && github.event_name == 'push'
     steps:
     - uses: actions/checkout@v2
@@ -147,5 +147,5 @@ jobs:
     - uses: actions/checkout@v2
     - name: Install dependencies
       run: sudo apt install shfmt shellcheck
-    - name: shellcheck and shfmt
+    - name: shellcheck, shfmt
       run: make --directory=tests/ shellcheck_shfmt
diff --git a/tests/Makefile b/tests/Makefile
index dc467340..0e663fd5 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -13,14 +13,14 @@ help:
 	@echo "                                     |"
 	@echo "make clangtidy                       | runs clang-tidy (mainly to verify snake_case)"
 	@echo "                                     |"
-	@echo "make ptc                             | build ptc.pdf from .tex file"
+	@echo "make build_pdf                       | build build_pdf.pdf from .tex file"
 	@echo "                                     |"
 	@echo "make shellcheck_shfmt                | runs shellcheck and shfmt"
 	@echo "                                     |"
 	@echo "make update_main                     | 1) copies included files into file"
 	@echo "                                     | 2) force pushes to main branch"
 	@echo "                                     |"
-	@echo "make files_without_tests             | print list of all .hpp files included by *no* .test.cpp files"
+	@echo "make find_files_without_tests        | print list of all .hpp files included by *no* .test.cpp files"
 	@echo "                                     |   - these files are not compiled nor linted as part of ci"
 	@echo "                                     |"
 	@echo "make print_which_tests_havent_run    | mainly to check if all tests have run"
@@ -40,11 +40,11 @@ do_format:
 clangtidy:
 	./scripts/clangtidy.sh
 
-files_without_tests:
-	./scripts/files_without_tests.sh
+find_files_without_tests:
+	./scripts/find_files_without_tests.sh
 
-ptc:
-	./scripts/ptc.sh
+build_pdf:
+	./scripts/build_pdf.sh
 
 shellcheck_shfmt:
 	./scripts/shellcheck_shfmt.sh
diff --git a/tests/scripts/ptc.sh b/tests/scripts/build_pdf.sh
similarity index 100%
rename from tests/scripts/ptc.sh
rename to tests/scripts/build_pdf.sh
diff --git a/tests/scripts/files_without_tests.sh b/tests/scripts/find_files_without_tests.sh
similarity index 100%
rename from tests/scripts/files_without_tests.sh
rename to tests/scripts/find_files_without_tests.sh