diff --git a/BUILD.md b/BUILD.md
index f7e63eb..a274b01 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -97,6 +97,12 @@ Build the latest container:
 python3 ./install/common/build-image.py
 ```
 
+Download the OCR language data:
+
+```sh
+python3 ./install/common/download-tessdata.py
+```
+
 Run from source tree:
 
 ```sh
@@ -174,6 +180,12 @@ Build the latest container:
 python3 ./install/common/build-image.py
 ```
 
+Download the OCR language data:
+
+```sh
+python3 ./install/common/download-tessdata.py
+```
+
 Run from source tree:
 
 ```sh
@@ -379,6 +391,12 @@ Build the dangerzone container image:
 python3 ./install/common/build-image.py
 ```
 
+Download the OCR language data:
+
+```sh
+python3 ./install/common/download-tessdata.py
+```
+
 Run from source tree:
 
 ```sh
@@ -440,6 +458,12 @@ Build the dangerzone container image:
 python3 .\install\common\build-image.py
 ```
 
+Download the OCR language data:
+
+```sh
+python3 .\install\common\download-tessdata.py
+```
+
 After that you can launch dangerzone during development with:
 
 ```
diff --git a/dev_scripts/qa.py b/dev_scripts/qa.py
index 41fcb06..5790e29 100755
--- a/dev_scripts/qa.py
+++ b/dev_scripts/qa.py
@@ -289,6 +289,12 @@ Build the latest container:
 python3 ./install/common/build-image.py
 ```
 
+Download the OCR language data:
+
+```sh
+python3 ./install/common/download-tessdata.py
+```
+
 Run from source tree:
 
 ```sh
@@ -367,6 +373,12 @@ Build the latest container:
 python3 ./install/common/build-image.py
 ```
 
+Download the OCR language data:
+
+```sh
+python3 ./install/common/download-tessdata.py
+```
+
 Run from source tree:
 
 ```sh
@@ -425,6 +437,12 @@ Build the dangerzone container image:
 python3 .\install\common\build-image.py
 ```
 
+Download the OCR language data:
+
+```sh
+python3 .\install\common\download-tessdata.py
+```
+
 After that you can launch dangerzone during development with:
 
 ```