diff --git a/src/equations/bbm_bbm_1d.jl b/src/equations/bbm_bbm_1d.jl
index c54fd293..fa5844aa 100644
--- a/src/equations/bbm_bbm_1d.jl
+++ b/src/equations/bbm_bbm_1d.jl
@@ -56,7 +56,7 @@ end
 """
     initial_condition_manufactured(x, t, equations::BBMBBMEquations1D, mesh)
 
-A smooth manufactured solution in combination with `source_terms_manufactured`.
+A smooth manufactured solution in combination with [`source_terms_manufactured`](@ref).
 """
 function initial_condition_manufactured(x, t,
                                         equations::BBMBBMEquations1D,
@@ -69,7 +69,7 @@ end
 """
     source_terms_manufactured(q, x, t, equations::BBMBBMEquations1D, mesh)
 
-A smooth manufactured solution in combination with `initial_condition_manufactured`.
+A smooth manufactured solution in combination with [`initial_condition_manufactured`](@ref).
 """
 function source_terms_manufactured(q, x, t, equations::BBMBBMEquations1D)
     g = equations.gravity
diff --git a/src/equations/bbm_bbm_variable_bathymetry_1d.jl b/src/equations/bbm_bbm_variable_bathymetry_1d.jl
index 99751551..ad63e6a0 100644
--- a/src/equations/bbm_bbm_variable_bathymetry_1d.jl
+++ b/src/equations/bbm_bbm_variable_bathymetry_1d.jl
@@ -60,7 +60,7 @@ end
 """
     initial_condition_manufactured(x, t, equations::BBMBBMVariableEquations1D, mesh)
 
-A smooth manufactured solution in combination with `source_terms_manufactured`.
+A smooth manufactured solution in combination with [`source_terms_manufactured`](@ref).
 """
 function initial_condition_manufactured(x, t,
                                         equations::BBMBBMVariableEquations1D,
@@ -74,7 +74,7 @@ end
 """
     source_terms_manufactured(q, x, t, equations::BBMBBMVariableEquations1D, mesh)
 
-A smooth manufactured solution in combination with `initial_condition_manufactured`.
+A smooth manufactured solution in combination with [`initial_condition_manufactured`](@ref).
 """
 function source_terms_manufactured(q, x, t, equations::BBMBBMVariableEquations1D)
     g = equations.gravity