diff --git a/.travis/lint_04_install.sh b/.travis/lint_04_install.sh
index 388da9ee66..58983f8ba4 100755
--- a/.travis/lint_04_install.sh
+++ b/.travis/lint_04_install.sh
@@ -6,7 +6,7 @@
 
 export LC_ALL=C
 
-travis_retry pip install codespell==1.13.0
+travis_retry pip install codespell==1.15.0
 travis_retry pip install flake8==3.5.0
 travis_retry pip install vulture==0.29
 travis_retry pip3 install yq
diff --git a/ci/Dockerfile.builder b/ci/Dockerfile.builder
index 6dcdfc0849..3d16c95287 100644
--- a/ci/Dockerfile.builder
+++ b/ci/Dockerfile.builder
@@ -16,7 +16,7 @@ RUN apt-get update && apt-get install $APT_ARGS python3-pip python3-setuptools &
 RUN pip3 install pyzmq # really needed?
 RUN pip3 install jinja2
 RUN pip3 install flake8==3.5.0
-RUN pip3 install codespell==1.13.0
+RUN pip3 install codespell==1.15.0
 RUN pip3 install vulture==0.29
 RUN pip3 install yq
 
diff --git a/doc/developer-notes.md b/doc/developer-notes.md
index 0908751723..9dfb7825de 100644
--- a/doc/developer-notes.md
+++ b/doc/developer-notes.md
@@ -286,7 +286,7 @@ thread](https://askubuntu.com/questions/50145/how-to-install-perf-monitoring-too
 for specific instructions.
 
 Certain kernel parameters may need to be set for perf to be able to inspect the
-running process' stack.
+running process's stack.
 
 ```sh
 $ sudo sysctl -w kernel.perf_event_paranoid=-1
diff --git a/src/test/crypto_tests.cpp b/src/test/crypto_tests.cpp
index d77a4b727a..49ffc7e635 100644
--- a/src/test/crypto_tests.cpp
+++ b/src/test/crypto_tests.cpp
@@ -594,7 +594,7 @@ BOOST_AUTO_TEST_CASE(poly1305_testvector)
 
 BOOST_AUTO_TEST_CASE(hkdf_hmac_sha256_l32_tests)
 {
-    // Use rfc5869 test vectors but trucated to 32 bytes (our implementation only support length 32)
+    // Use rfc5869 test vectors but truncated to 32 bytes (our implementation only support length 32)
     TestHKDF_SHA256_32(
                 /* IKM */ "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
                 /* salt */ "000102030405060708090a0b0c",
diff --git a/src/torcontrol.cpp b/src/torcontrol.cpp
index a44281aa50..124d11b7a3 100644
--- a/src/torcontrol.cpp
+++ b/src/torcontrol.cpp
@@ -413,7 +413,7 @@ public:
     TorController(struct event_base* base, const std::string& target);
     ~TorController();
 
-    /** Get name for file to store private key in */
+    /** Get name of file to store private key in */
     fs::path GetPrivateKeyFile();
 
     /** Reconnect, after getting disconnected */
diff --git a/test/lint/lint-spelling.ignore-words.txt b/test/lint/lint-spelling.ignore-words.txt
index 363ca4d49d..2d4af9f86f 100644
--- a/test/lint/lint-spelling.ignore-words.txt
+++ b/test/lint/lint-spelling.ignore-words.txt
@@ -3,7 +3,13 @@ hights
 mor
 mut
 objext
-unparseable
 unselect
 useable
 setban
+wit
+unparseable
+copyable
+cachable
+errorstring
+keyserver
+homogenous