1 files changed, 3 insertions, 3 deletions
diff --git a/src/theory/strings/proof_checker.cpp b/src/theory/strings/proof_checker.cpp
index bf82d16ce..236607840 100644
--- a/src/theory/strings/proof_checker.cpp
+++ b/src/theory/strings/proof_checker.cpp
@@ -25,9 +25,9 @@
 #include "theory/strings/theory_strings_utils.h"
 #include "theory/strings/word.h"
 
-using namespace CVC5::kind;
+using namespace cvc5::kind;
 
-namespace CVC5 {
+namespace cvc5 {
 namespace theory {
 namespace strings {
 
@@ -517,4 +517,4 @@ Node StringProofRuleChecker::checkInternal(PfRule id,
 
 }  // namespace strings
 }  // namespace theory
-}  // namespace CVC5
+}  // namespace cvc5