diff --git a/docs/development/c-bindings.rst b/docs/development/c-bindings.rst
index 1770e20..3fad00f 100644
--- a/docs/development/c-bindings.rst
+++ b/docs/development/c-bindings.rst
@@ -107,7 +107,7 @@
 Sometimes, a set of loosely related features are added in the same
 version, and it's impractical to create ``#ifdef`` statements for each
 one. In that case, it may make sense to either check for a particular
-version. For example, to check for OpenSSL 1.0.0 or newer:
+version. For example, to check for OpenSSL 1.0.0 or newer::
 
     #if OPENSSL_VERSION_NUMBER >= 0x10000000L