diff --git a/src/MagnumExternal/OpenGL/GL/README.md b/src/MagnumExternal/OpenGL/GL/README.md
index 3e57e6550..c879d6f83 100644
--- a/src/MagnumExternal/OpenGL/GL/README.md
+++ b/src/MagnumExternal/OpenGL/GL/README.md
@@ -1,8 +1,9 @@
 OpenGL header and extension loader is generated using flextGL, get it at
-[](https://github.com/ginkgo/flextGL).
+https://github.com/ginkgo/flextGL.
 
-See [](extensions.txt) for requested version and a list of non-core extensions.
-Call `flextGLgen.py` in this directory with the following arguments:
+See [extensions.txt](extensions.txt) for requested version and a list of
+non-core extensions. Call `flextGLgen.py` in this directory with the following
+arguments:
 
     .../flextGLgen.py -D . -t . extensions.txt
 
diff --git a/src/MagnumExternal/OpenGL/GLES2/README.md b/src/MagnumExternal/OpenGL/GLES2/README.md
index 8750a9b45..4ea572a1b 100644
--- a/src/MagnumExternal/OpenGL/GLES2/README.md
+++ b/src/MagnumExternal/OpenGL/GLES2/README.md
@@ -1,9 +1,9 @@
 OpenGL header and extension loader is generated using flextGL, get it at
 https://github.com/ginkgo/flextGL.
 
-See [extensions.txt](extensions.txt) for requested version and a list of non-core extensions.
-Call `flextGLgen.py` in this directory with the following arguments to generate
-files for generic GLES2 implementations:
+See [extensions.txt](extensions.txt) for requested version and a list of
+non-core extensions. Call `flextGLgen.py` in this directory with the following
+arguments to generate files for generic GLES2 implementations:
 
     .../flextGLgen.py -D . -t . extensions.txt
 
diff --git a/src/MagnumExternal/OpenGL/GLES3/README.md b/src/MagnumExternal/OpenGL/GLES3/README.md
index 8aa7a5d6d..e5e10d786 100644
--- a/src/MagnumExternal/OpenGL/GLES3/README.md
+++ b/src/MagnumExternal/OpenGL/GLES3/README.md
@@ -1,8 +1,9 @@
 OpenGL header and extension loader is generated using flextGL, get it at
-[](https://github.com/ginkgo/flextGL).
+https://github.com/ginkgo/flextGL.
 
-See [](extensions.txt) for requested version and a list of non-core extensions.
-Call `flextGLgen.py` in this directory with the following arguments:
+See [extensions.txt](extensions.txt) for requested version and a list of
+non-core extensions. Call `flextGLgen.py` in this directory with the following
+arguments:
 
     .../flextGLgen.py -D . -t . extensions.txt